MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a significant number of external links, identified as a link farm. The primary malicious activity appears to be directing users to external URLs, such as 'https://trafffe.ru/strik?utm_term=fox+v1+helmet+visor', which is likely intended to distribute further malware or engage in phishing. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://trafffe.ru/strik?utm_term=fox+v1+helmet+visor
- https://tavumake.weebly.com/uploads/1/3/2/7/132740551/3301.pdf
- https://fikuvigobe.weebly.com/uploads/1/3/4/5/134582673/9110339.pdf
- https://cdn-cms.f-static.net/uploads/4404124/normal_5fa35f2fcd57c.pdf
- https://cdn-cms.f-static.net/uploads/4414680/normal_5f99190bbba79.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/sagotomagin/chrome_app_for_pc_free.pdf
- https://uploads.strikinglycdn.com/files/1959d2e7-fbfd-4b90-92eb-5456f25dc1c9/beta_sigma_phi_degree_pins.pdf
- https://uploads.strikinglycdn.com/files/aeff16b5-a8a5-4225-8827-cd76b01d69b4/39026957956.pdf
- https://uploads.strikinglycdn.com/files/6a0b2d69-b147-40fc-b236-337d85c689c4/gixixudodojajaxoxigosek.pdf
- https://uploads.strikinglycdn.com/files/9a2ac970-a5a4-48e7-8f2b-d4f39d7556cf/ap_european_history_practice_exam.pdf
- https://uploads.strikinglycdn.com/files/c31db97d-0118-457c-ac83-de05c936529d/26488775041.pdf
- https://uploads.strikinglycdn.com/files/b29a478f-ddf3-4e61-a3c8-7a63b4125166/vsam_interview_questions.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_off0000a77b.bin86134dff7b9a0d396f472cc569fcf5d5ea6f55257756ae22d328727414a8e976 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA77B | 4852 bytes |
font_01_sfnt_off0000b7de.binc9bd457237032d6428f755cb29a88b97e3cd1f04fc48f3abe978f8460fd4bcc0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7DE | 12056 bytes |
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