MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which are dynamically generated and point to potentially malicious domains, suggesting a link farm or phishing attempt. The presence of a URL related to 'Logitech usb headset microphone test' indicates a lure to a phishing site. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing 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-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?keyword=logitech+usb+headset+microphone+test
- https://cdn-cms.f-static.net/uploads/4378406/normal_5f9473884fc47.pdf
- https://pedugosiv.weebly.com/uploads/1/3/4/6/134622687/1652862.pdf
- https://cdn-cms.f-static.net/uploads/4370266/normal_5f8d07ad5d126.pdf
- https://dawugagulinejud.weebly.com/uploads/1/3/4/3/134368664/3608468.pdf
- https://cdn-cms.f-static.net/uploads/4369313/normal_5f8e2510553eb.pdf
- https://cdn-cms.f-static.net/uploads/4389804/normal_5f926d1f92e1f.pdf
- https://cdn-cms.f-static.net/uploads/4376098/normal_5f8cbb27a638a.pdf
- https://cdn-cms.f-static.net/uploads/4410975/normal_5f9765edc28dd.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/630a8efb-3d9e-416f-8da6-0f0e2caa2c0b/cardboard_samurai_helmet_diy.pdf
- https://uploads.strikinglycdn.com/files/03513461-bdb0-49cc-928c-d4a29cec8972/do_svidaniya_translation.pdf
- https://s3.amazonaws.com/newopetusam/wegigivobifulomuk.pdf
- https://uploads.strikinglycdn.com/files/e3e44aed-aed3-47ba-b9de-81fe25c9098a/39009893333.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_off0000e661.bin23376025687424336f4cdd352b13b63f6b5fac3a1c066c27ad3ac20d25548dd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE661 | 5536 bytes |
font_01_sfnt_off0000f90b.bin3e19e8630e3a60ff7af7527f9924b9184323b558df76e9827f72c7a72206a361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF90B | 10552 bytes |
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