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, many pointing to PDF files hosted on cloud storage, suggesting a link farm or SEO poisoning tactic. The primary malicious URL, trafffe.ru, is likely used for phishing or to serve a second-stage payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
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/strik?utm_term=7.+s%25C4%25B1n%25C4%25B1f+rasyonel+say%25C4%25B1lar+%25C3%25A7%25C3%25B6z%25C3%25BCml%25C3%25BC+so
- https://wuxurabe.weebly.com/uploads/1/3/4/6/134608123/buxufu-jekidowomufu.pdf
- https://werifetez.weebly.com/uploads/1/3/4/6/134696790/kijanad.pdf
- https://fevonijapa.weebly.com/uploads/1/3/4/2/134234837/8230749.pdf
- https://ditiwudo.weebly.com/uploads/1/3/1/4/131452947/35e5210f1f313.pdf
- https://mazokozofifux.weebly.com/uploads/1/3/4/3/134305155/jokaxerepawobogakoju.pdf
- https://sulidisige.weebly.com/uploads/1/3/4/3/134318683/759df74c25cdcb.pdf
- https://cdn-cms.f-static.net/uploads/4427793/normal_5fa05a592a577.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/zutilipevozafeguwu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/zabevog/text_to_self_connections_lesson_plan.pdf
- https://s3.amazonaws.com/norozovijalu/greensleeves_easy_piano_free_sheet_music.pdf
- https://s3.amazonaws.com/jamokaroxoj/holt_mcdougal_algebra_1_online_textbook.pdf
- https://s3.amazonaws.com/votubukaxogilix/soopa_villainz_hit_list_download.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_off0000b443.binbea95e3fb8e96ac757e3256d63474941af7412cb81dcade20b9ce6b20f81de49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB443 | 5552 bytes |
font_01_sfnt_off0000c6b2.bin18c491241930116d5d3b3b64fbf17e09a19d387008492d723abb6c5c5183bf76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6B2 | 11088 bytes |
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