MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as phishing or a trojan. While no scripts were directly extracted, the presence of 'cmdk2vl0vd8aq8m3hn6v8ubma/65116905765.pdf' within the document text hints at potential command execution or a staged download, aligning with T1059.007 if JavaScript was involved in the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://coretry.ru/uplcv?utm_term=applied+numerical+analysis+7th+edition PDF link annotation
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da0cf0e60fe---diguw.pdfIn PDF document text
- http://mav-auto.ru/images/file/vojesinenakopuzurim.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/okjegk0f70412m02nl7m65ohg2/34275138308.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/dobenomofapedopesanarode.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/5d474326c2984bfb7bf712d7525d3343/39124726051.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160923fa83e388---penewaminobevinap.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a36d259ec1b---46527773703.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/21314994287.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaee9e8a6bc.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16085a816aeac3---tujilawulo.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/a6kf7i65di66a59rf40f9o1930/75486577562.pdfIn PDF document text
- http://atek-ent.com/upload/file/bosirizeviwitepubulov.pdfIn PDF document text
- https://pellevah.com/upload/files/56182276445.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a070ebcba40---74690533228.pdfIn PDF document text
- http://ilovemynewstemcells.com/clients/865932/File/senowenenurikorejamo.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/file/73691489667.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfc0d3a05f1---tifevivivajelizoxed.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/86ef067e36bc4c3f37508beaa897dcd3/wabawapulij.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607e24b5837c7---26770034850.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/kun2uejvhh9s2i94v9cc00jn31/270318469.pdfIn PDF document text
- http://nebovsem.ru/app/webroot/files/files/7258005005.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609f70fd72e25---kotumuxogamemirusaposuv.pdfIn PDF document text
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/tcmdk2vl0vd8aq8m3hn6v8ubma/65116905765.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/e7e7daef219c7e67fb8521f9100630f7/zivujesoluso.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/879a63c29bd2155c614ecd3b517cde22/11514436779.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160755d20ee6a5---57568331321.pdfIn PDF document text
- http://cappellastudio.it/userfiles/files/zipuzofibaw.pdfIn PDF document text
- http://bukharasuwanee.com/sites/default/files/file/ruxotejixazajumanizon.pdfIn PDF document text
- http://chagatea.ruIn macro / runtime command snippet
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c682.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC682 | 16052 bytes |
SHA-256: 3aa04b00aeeff70c333c868adfa67b1b3e15b90e485234e6c6fdf2fb06b1c0e3 |
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font_01_sfnt_off0000efba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D1 | 11024 bytes |
SHA-256: 978a4b82cc8b8a939bb0c5adcc8f8e808a86ddc36a666aa128212b488c4a17c7 |
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