MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains a link farm with numerous external URLs, including one pointing to 'trafffi.ru', suggesting a potential phishing or scam attempt. The heuristic 'SE_URGENCY_LURE' further supports the phishing pretext by indicating the presence of urgency language within the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/123?utm_term=postmates+code+reddit+august+2020
- https://cdn-cms.f-static.net/uploads/4447108/normal_5fa9858ae19f1.pdf
- https://static.s123-cdn-static.com/uploads/4423137/normal_5fcf82a5c405c.pdf
- https://static.s123-cdn-static.com/uploads/4372737/normal_5fcaa0ce2dd80.pdf
- https://static.s123-cdn-static.com/uploads/4457311/normal_5fc893ba44903.pdf
- https://vetakowiv.weebly.com/uploads/1/3/4/7/134733886/c91cbd92.pdf
- https://cdn-cms.f-static.net/uploads/4447460/normal_5fb860b532c69.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/1326b077-5fb8-4205-9bd0-50ffdaa473c3/gumalegiwumera.pdf
- https://uploads.strikinglycdn.com/files/e4631500-2664-432a-bf01-1a07734baa1b/dinifomew.pdf
- https://s3.amazonaws.com/xupizewuxere/request_letter_format_for_noc_certificate.pdf
- https://uploads.strikinglycdn.com/files/b503e4b2-6da7-464a-9da0-d5694a2f4fc5/dizzy_wright_the_first_agreement_zip.pdf
- https://uploads.strikinglycdn.com/files/3399c855-f338-404d-a5e6-fc0a5021a77d/daisy_fuentes_hot.pdf
- https://s3.amazonaws.com/tesotiwapax/cheat_apk_for_android.pdf
- https://s3.amazonaws.com/rujimidujek/ben_hur_1959_movie_free_utorrent.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_off0000ae99.bin54a650dcd22127754dca549635957b293e8bbc98eb33051d72c26ab2b06216a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE99 | 5500 bytes |
font_01_sfnt_off0000c12f.bineeecbd12bac7aeb4cf554177233db6618495ec5e24fdef765d5187e955afd9f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC12F | 9300 bytes |
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