MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics indicate the PDF functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting. These links likely lead to further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/d41e2f28fc45bcefc04c857b5769f909/manulukemav.pdf In PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c47a5fca935---moxugowisujekifikiwejijax.pdfIn PDF document text
- http://vo23.ru/upload/file/virazunuvekewipukojige.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160bff8e584d1a---poges.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/v0jrmjchs6v713hh5ocobhnc10/76803693904.pdfIn PDF document text
- http://akinmedical.com/uploads/file/kilavizupetogogapojad.pdfIn PDF document text
- https://mfdesign.hu/files/file/16732867225.pdfIn PDF document text
- http://www.chubsorn.com/file/files/12104885357.pdfIn PDF document text
- http://pcmcpropertyblog.com/wp-content/plugins/super-forms/uploads/php/files/10d84b8f6a613f3b9491e33c84aa1787/kibutoporuborexegi.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/g4fhiiva62plonh14fma69hogi/kewobazenulujexam.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b222b12360c---zimuremafanalipebewozetal.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16083902f80f34---27510901866.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/80115561710.pdfIn PDF document text
- https://dineflon.com//files/36951512805.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/bl7s6682l68kqpgjfh9b3dgqs3/70304688829.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160a453a75f1e4---66712062669.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160ab31955ad1a---27965879625.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b78af687c36---bolarutumikoteveju.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a88fc439120---kuzefoxoxe.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/xenimorexijikitoduzojip.pdfIn PDF document text
- https://myarchitect.es/ckfinder/userfiles/files/gurulajili.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/idl0rc0c6una8d5f4363sqahkg/33203896578.pdfIn PDF document text
- http://10glazsikeyrosa.ru/file/5789829700.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/56464719679.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=brewers+radio+networkPDF link annotation
- 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_off0000ebfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBFE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010415.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10415 | 10428 bytes |
SHA-256: 57f6533ddfe3e7994405747abcc414df60ba739fc9f4a4464388a44808db18fe |
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font_02_sfnt_off00011bf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BF4 | 17404 bytes |
SHA-256: e053712623a6d789390f08ab6bc7bea48a48d372769f96d09a302a5ba5832d2d |
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