MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to PDFs hosted on various platforms, suggesting a link farm or SEO poisoning tactic. The primary URL, https://trafffi.ru/strik?utm_term=pathoma+fundamentals+of+pathology+2019+pdf, indicates a lure for specific search terms. ClamAV and ML classifiers also flagged this PDF as malicious, likely phishing or a trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://trafffi.ru/strik?utm_term=pathoma+fundamentals+of+pathology+2019+pdf
- https://zuzimarubafa.weebly.com/uploads/1/3/4/7/134712841/pibiralunudebipebik.pdf
- https://laxuruvu.weebly.com/uploads/1/3/1/4/131482832/1033800.pdf
- https://pudukodup.weebly.com/uploads/1/3/1/4/131407572/9f1ac3284bbb.pdf
- https://bubosetew.weebly.com/uploads/1/3/4/5/134515161/waxixiluzon.pdf
- https://mazazogadof.weebly.com/uploads/1/3/4/3/134374066/boxulawafa_manalirul_nagefab_bidev.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/golepe/38148046568.pdf
- https://uploads.strikinglycdn.com/files/dc014ad2-c80b-4dcc-91a7-2941e3f2d6bb/google_play_services_apk_11.5.0.9_230.pdf
- https://uploads.strikinglycdn.com/files/4ec22f9f-dc62-46db-8de1-f1ee788abb57/wulitikirafetituvudipot.pdf
- https://s3.amazonaws.com/nigimul/clinical_interview_techniques.pdf
- https://s3.amazonaws.com/xanebavifamopez/97966436129.pdf
- https://s3.amazonaws.com/rijaliwiguvex/wozamexamebisukizadirag.pdf
- https://s3.amazonaws.com/radubozufiwo/marksheet_of_upsc_topper_2018.pdf
- https://s3.amazonaws.com/dezajok/gold_s_gym_elliptical_350i_manual.pdf
- https://s3.amazonaws.com/dozuga/last_airbender_full_movie_in_tamil.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c816.bine0bd5f057d16a40d39c69fe44de58213174cfc53061f9fbedd91e262c3ac06dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC816 | 5944 bytes |
font_01_sfnt_off0000dc44.bina59b346091a220bdb053028f1973936082da84dfbf2924e5c631923562525130 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC44 | 10808 bytes |
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