MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection attempt. One of the primary URLs extracted is 'https://trafffi.ru/strik?utm_term=billie+eilish+hd+wallpaper+phone', which is likely part of a phishing or malicious redirection scheme. The ClamAV detection and ML classifier further support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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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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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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/strik?utm_term=billie+eilish+hd+wallpaper+phone PDF link annotation
- https://static.s123-cdn-static.com/uploads/4466364/normal_5fe0a82d749f8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367299/normal_5fb5bf88bb290.pdfIn PDF document text
- https://cdn.sqhk.co/fopavege/jfsUwig/vutides.pdfIn PDF document text
- https://fuwefepitebu.weebly.com/uploads/1/3/4/7/134709748/cebfa3439d.pdfIn PDF document text
- https://dururamud.weebly.com/uploads/1/3/4/8/134846475/b92a524cf51e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/rutufokedizon/ascent_of_sap.pdfIn PDF document text
- https://s3.amazonaws.com/suzitivasekoga/idylis_portable_air_conditioner_manual.pdfIn PDF document text
- https://s3.amazonaws.com/sefukirexuwekij/antibioticos_en_nios_odontologia.pdfIn PDF document text
- https://s3.amazonaws.com/fedufiporara/rejedokuvikofisugaleb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/246ed027-1c27-472e-9f7f-2639309ab0ec/ate_ve_su_999.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2F | 5188 bytes |
SHA-256: e4eb701d982bf8ccfa22e7c79b2bda8549fbd5a8d5710bf8adb24fd5cb7a986b |
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font_01_sfnt_off0000eedf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEDF | 12120 bytes |
SHA-256: a57368fe4a40f65af3470eb4bad1658894face2933a453d7d96464c92148f0ac |
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