MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious content. The PDF_SEO_LINK_FARM heuristic identified a large number of external links, with the primary suspicious URL being https://trafffi.ru/aws. This suggests the document is designed to redirect users to potentially harmful websites, possibly for phishing or malware distribution.
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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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/aws?utm_term=chemguide+questions+enthalpies+of+solution
- https://nikuwexipamojag.weebly.com/uploads/1/3/0/8/130813731/4159673.pdf
- https://giledaxije.weebly.com/uploads/1/3/4/3/134312043/8654280.pdf
- https://cdn-cms.f-static.net/uploads/4377112/normal_5f91801dc576f.pdf
- https://cdn-cms.f-static.net/uploads/4369630/normal_5f923b4f20c14.pdf
- https://cdn-cms.f-static.net/uploads/4390095/normal_5f970f33d46e8.pdf
- https://cdn-cms.f-static.net/uploads/4369491/normal_5f998b166f10f.pdf
- https://cdn-cms.f-static.net/uploads/4454051/normal_5fad7b689260d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/6ca58b23-cdef-4f6c-a083-816c94e20fe8/40644363188.pdf
- https://s3.amazonaws.com/megulu/68407417607.pdf
- https://uploads.strikinglycdn.com/files/d31dcb04-0982-4f10-89c8-6ddf386dbd1f/stonehearth_free_download_alpha_21.pdf
- https://uploads.strikinglycdn.com/files/e135d916-eda9-4711-9d4b-72e5ec69dbac/kutemokudijeziwipotosu.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_off0000c765.binbaf4c84b39d2a4eb33e0ae773e9b078eb70ce6fd66f8d8f7d091473e5831c5b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC765 | 5388 bytes |
font_01_sfnt_off0000d98b.bin353a35471b1e43d1bcc2f078caa504a7dd26e00facce3766b001f1e6c410b201 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD98B | 10468 bytes |
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