MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed for malicious redirection. The ClamAV detection and ML classifier strongly suggest this PDF is a phishing or trojan delivery mechanism. The presence of external URI heuristics and link farm indicators further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://philabc.ru/uplcv?utm_term=injector+apk+ml+all+skin PDF link annotation
- http://biolabsrl.org/userfiles/files/jezurobajajivofubiji.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/0688e672c2537e4d94b505e4257b42f1/pufazilulunimi.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613580f276be8---fomawi.pdfIn PDF document text
- http://taxicityplus.ru/userfiles/file/2996918875.pdfIn PDF document text
- https://cissud.it/uploads/ck_editor/files/53248628237.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/94283301847.pdfIn PDF document text
- http://gruppocreta.com/userfiles/files/gagijulivetozel.pdfIn PDF document text
- http://smenergy.kr/uploaded/file/9741856826136bca100f95.pdfIn PDF document text
- http://diakmelo.hu/ckfinder/userfiles/files/91532146409.pdfIn PDF document text
- https://tjp2-hotlink-j3t.com/contents/files/40826098784.pdfIn PDF document text
- https://cvssteelex.com/ckfinder/userfiles/files/27996181178.pdfIn PDF document text
- http://ctyrkolky-gamax.cz/data/dokumenty/gubusifaloguduwezanuvepow.pdfIn PDF document text
- http://onmamtour.com/FileData/ckfinder/files/20210901_E083EE07DEA44C83.pdfIn PDF document text
- http://pathtojanna.com/userfiles/files/61114356274.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/uekmehrnpnm01ah954gomahl0r/fatewinidese.pdfIn PDF document text
- http://highspiritsmusic.com/ckfinder/userfiles/files/96488787936.pdfIn PDF document text
- http://photo-ostrov.com/ckfinder/userfiles/files/7023636051.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/161332fa7b61dd---kakiginazigipotagikeg.pdfIn PDF document text
- http://sobinco.cz/ckfinder/userfiles/files/jepesed.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/wuzaropevobalazokad.pdfIn PDF document text
- https://akconta.com/uploads/files/genuluxarexemebewuzavagak.pdfIn PDF document text
- http://lasermedia.cn/userfiles/file/40834195367.pdfIn PDF document text
- https://www.xyoaa.org/sites/default/files/files/fubakasotadovolegapuju.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_off0000d2ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AE | 10708 bytes |
SHA-256: 1d4eb11ad706cc7db45584ecd85ca1ae63d26fac48bc657640fec848692e1185 |
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font_01_sfnt_off0000eb3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001034f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1034F | 16940 bytes |
SHA-256: a21b862193162d507d060806238a735f215086db18eecf9cfb96f91edea4c75b |
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