MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, and is detected by ClamAV as a phishing trojan. It contains a large number of external links, many pointing to disposable domains, suggesting it is part of a link farm designed to distribute malicious content or phish users. The embedded URL 'https://dafemum.ru/strik?utm_term=exercices+sur+les+fractions+d%25C3%25A9cimales+cm2+pdf' is a primary indicator of this malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://dafemum.ru/strik?utm_term=exercices+sur+les+fractions+d%25C3%25A9cimales+cm2+pdf PDF link annotation
- https://berebexamoleti.weebly.com/uploads/1/3/1/3/131384136/f9849b3.pdfIn PDF document text
- https://nafuvazufu.weebly.com/uploads/1/3/1/4/131407552/tegekalov_rasufojokir_kubapinu_xixuworugu.pdfIn PDF document text
- https://najijufo.weebly.com/uploads/1/3/4/7/134714833/lolasa.pdfIn PDF document text
- https://fipoxojumudex.weebly.com/uploads/1/3/4/6/134649093/zobuwexalogeda_vuzazadezusox.pdfIn PDF document text
- https://ribofefafuf.weebly.com/uploads/1/3/4/7/134770843/rejoginimutadix.pdfIn PDF document text
- https://fatuzolawodazu.weebly.com/uploads/1/3/4/7/134730183/kovexutivisasez-wubatidiv-vokuw.pdfIn PDF document text
- https://ruzuwigowan.weebly.com/uploads/1/3/1/4/131453288/zomofufofonaxugow.pdfIn PDF document text
- https://nepefesin.weebly.com/uploads/1/3/1/4/131410606/3193064.pdfIn PDF document text
- https://subafoxa.weebly.com/uploads/1/3/1/3/131379179/nukedufas.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454419/normal_60672b8bee8cd.pdfIn PDF document text
- https://rajuwirorevub.weebly.com/uploads/1/3/5/3/135306937/famavakofa.pdfIn PDF document text
- https://sunajojafexa.weebly.com/uploads/1/3/1/8/131856627/josuxomukaz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490127/normal_5fda9632ceefb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484814/normal_605a07fd5e372.pdfIn PDF document text
- https://vafukomoruf.weebly.com/uploads/1/3/4/8/134862603/sebexarujesekovan.pdfIn PDF document text
- https://virobejiku.weebly.com/uploads/1/3/5/3/135324848/lisutusajubu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372105/normal_60247f1a4df53.pdfIn PDF document text
- https://xevezuwojuko.weebly.com/uploads/1/3/0/7/130740392/filubopuxax-nugugijaruji.pdfIn PDF document text
- https://ximafirufiwazi.weebly.com/uploads/1/3/4/7/134755441/59934c357dfc.pdfIn PDF document text
- https://gunagejosiva.weebly.com/uploads/1/3/0/7/130738835/489362.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459035/normal_5ffd79f363bc8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/563e370c-688e-4caa-b1d5-a2b9dc0e3e54/an_astrologers_day_questions_and_answers_12th.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/426d93c4-32cd-46f6-8cda-5d4484ca1c35/degomamapoxa.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_off0000fb83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB83 | 5600 bytes |
SHA-256: 50c740afe89178c6d6d32db2e0a7d5e256cdcd9813a22def7cf5324873e801c2 |
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font_01_sfnt_off00010e45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E45 | 12784 bytes |
SHA-256: 86c3f937a66bcd1a9da4181024a7c36228fdb8e9fdf0898ee4a5669c6b20f97e |
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