MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. It contains a large number of external links, forming a link farm hosted on disposable domains, which is a common tactic for SEO poisoning and phishing. The ClamAV detection and ML classifier further support its malicious nature, indicating it likely serves as a lure to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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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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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=how+to+draw+a+face+from+side+view In PDF document text
- https://nutomejeti.weebly.com/uploads/1/3/4/7/134702699/2687954.pdfIn PDF document text
- https://wexarasi.weebly.com/uploads/1/3/4/3/134351888/bopowirapodabon_vovazez.pdfIn PDF document text
- https://koreperuk.weebly.com/uploads/1/3/2/6/132680900/xulegit_nilarer_kuwubep_duzaxil.pdfIn PDF document text
- http://prequester.online/zombie_vs_fruit_plants_2vnx0w.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443576/normal_60240fed5a1bb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453556/normal_606666f6304e7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368495/normal_606680ee08ac9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410988/normal_6036995e7806b.pdfIn PDF document text
- https://zitujizu.weebly.com/uploads/1/3/4/7/134731650/e32644.pdfIn PDF document text
- https://xebuzoxovekig.weebly.com/uploads/1/3/4/0/134018553/jitukolowe.pdfIn PDF document text
- https://zasosefudasu.weebly.com/uploads/1/3/1/8/131856937/5096606.pdfIn PDF document text
- http://prodson.fun/how_to_reprogram_my_ge_universal_remotea3rt4.pdfIn PDF document text
- https://nifilova.weebly.com/uploads/1/3/0/7/130740060/winig_levosanajipuj_wuwebaduduto.pdfIn PDF document text
- https://budojidotepaso.weebly.com/uploads/1/3/5/3/135312143/laban_guvokafonizego.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492529/normal_601efa4844f8e.pdfIn PDF document text
- https://nolelagisumo.weebly.com/uploads/1/3/4/1/134132353/6067578.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xesesezaxemu.epizy.com/8179405433.pdfIn PDF document text
- http://xuxuxal.epizy.com/typical_medical_school_interview_questions_and_answers.pdfIn PDF document text
- http://divakupi.rf.gd/q_es_clulas_falciformes.pdfIn PDF document text
- http://vokotikif.epizy.com/learn_chinese_online_best_course.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_off00011d29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D29 | 5248 bytes |
SHA-256: fb6aae29860fbcb424503f2eb36a1161acdf8eb7336ea9d01d9b9dee0cf4c29a |
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font_01_sfnt_off00012f01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F01 | 10552 bytes |
SHA-256: 81e3af746f2890e027406033c9d6ba4feaf3264a7bf5e57c9cdac6b03f7129d4 |
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