MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many pointing to compromised websites or disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload delivery. The presence of multiple external URI heuristics and link farm indicators reinforces the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://laborke.ru/uplcv?utm_term=kickin+it+full+episodes+season+2+episode+15 PDF link annotation
- http://plkorea77.com/ckupload/files/9199442864.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/jewatebufalumevodolopidob.pdfIn PDF document text
- http://aybar-gallery.com/userfiles/files/62352595443.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/341d79fada88be482c96984ce900393c/voruzagexifeviwezuzurag.pdfIn PDF document text
- https://bibliothequedesarts.ch/ckfinder/userfiles/files/63598970307.pdfIn PDF document text
- https://bomberosdenavarra.com/userfiles_nexo/files/89578102709.pdfIn PDF document text
- https://www.ftha.org/admin/ckfinder/userfiles/files/tarejowifejez.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/nexika.pdfIn PDF document text
- http://rockfordauburn1966.com/clients/8/85/8549db0cc7d1f63cce07d3be93bd6f3d/File/sewol.pdfIn PDF document text
- http://webinaris.org/ckfinder/userfiles/publics/files/zenoruwugelojaxanadokube.pdfIn PDF document text
- https://aldurra.ly/images-editeur/img/file/tobilasonezogukoxenokesi.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/93665999160.pdfIn PDF document text
- http://sztarmedia.hu/_user/file/kafasibizowirosegaja.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/tmjsinf7am87lmki2lqtclfmri/divat.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/7c08d781e75fece7b53c7c4e02b07976/13852955579.pdfIn PDF document text
- http://kapli74.ru/upload_picture/vekigudesufuwoziguwowugi.pdfIn PDF document text
- https://inncredel.com/uploads/37180058954.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610f1622c2c75---zazeduzoduzepiti.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e48c315f7d8---93491681604.pdfIn PDF document text
- http://odnoklassniki-files.ru/images/uploads/files/soragefin.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611a357374cfb---53541531381.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16080d6ce15936---dotabobamotiludukimusevor.pdfIn PDF document text
- 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_off0000c0bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0BC | 11004 bytes |
SHA-256: 7c9f1b727e3821690b8b5faa2bb8c367b0a1c159d3f2bac6224b4d17738d90a0 |
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font_01_sfnt_off0000da8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA8D | 16088 bytes |
SHA-256: 49c5338920821ced7f402572a63c2314476949c1147f2bef774ad0eef835a2c0 |
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font_02_sfnt_off00010453.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10453 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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