MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, with one identified as a potential phishing lure related to an appliance manual. The ClamAV detection and ML classifier strongly indicate maliciousness, classifying it as Pdf.Phishing.Trojan. The presence of embedded URLs and the heuristic PDF_SEO_LINK_FARM suggest the document is part of a link farm designed to redirect users to malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://trafffe.ru/123?utm_term=aprilaire+600m+manual
- https://woliremokeg.weebly.com/uploads/1/3/4/3/134340334/ac6b8f30da90707.pdf
- https://jarapitoxedomel.weebly.com/uploads/1/3/1/4/131437170/pomazevenuso.pdf
- https://tafogufuju.weebly.com/uploads/1/3/4/6/134638326/7118534.pdf
- https://cdn-cms.f-static.net/uploads/4369317/normal_5f8ff44c297b8.pdf
- https://nawowelefet.weebly.com/uploads/1/3/4/4/134498780/3822159.pdf
- https://cdn-cms.f-static.net/uploads/4385415/normal_5fb024bcd2ab3.pdf
- https://cdn-cms.f-static.net/uploads/4374379/normal_5f8d91db47023.pdf
- https://bitivomo.weebly.com/uploads/1/3/4/4/134478942/e85729bc2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/9a13dfa6-378d-4ec7-98e9-a9064da8d3dd/95979734204.pdf
- https://uploads.strikinglycdn.com/files/25c04406-0cd2-410a-a62f-14d33bc5c79a/viwizuzosu.pdf
- https://uploads.strikinglycdn.com/files/193851a8-e6f1-4b41-8f15-7d776a33c341/86579037247.pdf
- https://uploads.strikinglycdn.com/files/fc6d66b3-2ca2-4dc5-8267-06a39640c212/pixixiterevegejawubu.pdf
- https://uploads.strikinglycdn.com/files/c70abe3c-748b-4edc-af49-f9505974baa9/understanding_earth_by_grotzinger_free.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_off0000ae52.bin1967bb541516de2ba2f83b8874e8c9786170bd295580e56f280ffaa06b421441 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE52 | 5072 bytes |
font_01_sfnt_off0000bf75.bin6df468ac1f90623e1109b00398acc98f41eb1d21248df9d4acb3b7678aa1ec04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF75 | 9884 bytes |
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