MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The ML classifier also strongly flagged this PDF as malicious. The embedded URL, https://traffmen.ru/strik?utm_term=business+professional+ethics+for+directors+executives+accountants, is the primary IOC and is likely used to lure users to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://traffmen.ru/strik?utm_term=business+professional+ethics+for+directors+executives+accountants
- https://cdn-cms.f-static.net/uploads/4453329/normal_5fb608eab68a7.pdf
- https://cdn-cms.f-static.net/uploads/4379851/normal_5f9b5456bc44c.pdf
- https://cdn-cms.f-static.net/uploads/4365657/normal_5f94982e7e5bf.pdf
- https://cdn-cms.f-static.net/uploads/4471095/normal_5fb7034dbd8d1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/8a7e9167-8d41-41f7-8b95-048efd253565/89604785485.pdf
- https://s3.amazonaws.com/didowugorokirug/26992527516.pdf
- https://uploads.strikinglycdn.com/files/bab5cd87-e427-4f94-8c6d-55d58e043b7b/reddit_game_of_thrones_torrent.pdf
- https://uploads.strikinglycdn.com/files/d5c7390b-1ab6-4d24-b4e8-d8db5171a632/42921764520.pdf
- https://s3.amazonaws.com/dogazisuze/33311658696.pdf
- https://uploads.strikinglycdn.com/files/b84c4183-a5c7-48b2-8805-e21f71141db4/32525643238.pdf
- https://uploads.strikinglycdn.com/files/10ea6b56-e67b-498f-ae38-9716fe21e73e/happy_new_year_2020_to_post_on_facebook.pdf
- https://uploads.strikinglycdn.com/files/ca2f21c8-c865-4f9e-af80-27efdea8bc88/77424954023.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_off0000cd9c.bin9f61fcd8d2b4067a0067ef1e8f5f9119acd00af505c50b4784bfd70732579dd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD9C | 5420 bytes |
font_01_sfnt_off0000e008.bin6df7bfa4a1e5627e9d345595ed7011aca3042ce7df6e62ad9910ba16d25cba20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE008 | 9724 bytes |
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