MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or malware distribution lure. It contains a large number of external links, many pointing to other PDF files, suggesting a link farm or redirection mechanism. The primary malicious URL identified is trafffi.ru, which is likely used to host or redirect to malicious content.
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/123?utm_term=employee+self+evaluation+format
- https://pegepefip.weebly.com/uploads/1/3/4/4/134455730/2053559.pdf
- https://cdn-cms.f-static.net/uploads/4423471/normal_5fa7912019223.pdf
- https://cdn-cms.f-static.net/uploads/4452865/normal_5fab9cf3b837d.pdf
- https://beserozufem.weebly.com/uploads/1/3/4/8/134864657/8e7eb7bab37f8e7.pdf
- https://pikupazu.weebly.com/uploads/1/3/4/5/134577858/bediluritu.pdf
- https://pigikitukapu.weebly.com/uploads/1/3/4/6/134693564/develesi.pdf
- https://lobobofu.weebly.com/uploads/1/3/4/6/134680821/xajigumosez-gasop.pdf
- https://sexanugujox.weebly.com/uploads/1/3/4/2/134266496/608984e10dfac30.pdf
- https://woxomeze.weebly.com/uploads/1/3/4/4/134498023/d537ea40ab.pdf
- https://pulepuvoko.weebly.com/uploads/1/3/4/2/134266128/8039263.pdf
- https://jubuxazule.weebly.com/uploads/1/3/4/5/134585976/3581005.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/ec271ad7-767c-459e-95ae-38de7f0f92e2/wijidazitu.pdf
- https://uploads.strikinglycdn.com/files/e67448b6-6dd8-4e32-a709-680429433b1f/silojurerugesovoxiwiduv.pdf
- https://uploads.strikinglycdn.com/files/30a09d75-7790-4b59-9ab4-c49c81ef4991/69001874131.pdf
- https://uploads.strikinglycdn.com/files/4b48b8d8-fa63-4744-986c-ce018da5a042/mirusamarovajixamolaviwu.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_off0000c875.bin3066faae2174d5f26ffc30d0d200921161d324b8c0cf2c98216cb1a83d0ff000 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC875 | 5164 bytes |
font_01_sfnt_off0000da05.bin4fed52439ad292fc69dd0ddfc6f9cdd2e7838572418f8808552be7159cac085c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA05 | 9584 bytes |
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