MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing lure. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate the document's primary purpose is to redirect users to other malicious or spam content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://zajinet.ru/123?utm_term=child+support+agreement+template+free PDF link annotation
- https://buwolerujagelav.weebly.com/uploads/1/3/4/5/134580081/fafekutezodavurarux.pdfIn PDF document text
- https://takibuvekinapix.weebly.com/uploads/1/3/4/4/134456834/2994399.pdfIn PDF document text
- https://zatofurepodato.weebly.com/uploads/1/3/1/4/131482853/77624e8e074.pdfIn PDF document text
- https://lewuroluloxujul.weebly.com/uploads/1/3/4/6/134678017/vijakumotebojepanaku.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477651/normal_5fe2c2564d696.pdfIn PDF document text
- https://cdn.sqhk.co/zobelekivix/shggUii/94680665107.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495975/normal_602f9a3028f21.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4386087/normal_5ff02c1d9ca0a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501482/normal_5fda0b7190907.pdfIn PDF document text
- https://bidijogez.weebly.com/uploads/1/3/5/9/135993355/surenivobarus-purekagavefine-kekutub.pdfIn PDF document text
- https://vuwapelenepaje.weebly.com/uploads/1/3/4/7/134705438/vurapew.pdfIn PDF document text
- https://cdn.sqhk.co/wuvupalib/PGhg9jd/kpop_store_usa_atlanta.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412378/normal_5fcacac866d8d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444646/normal_5ffcf801d8f49.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426421/normal_5fee545f64e93.pdfIn PDF document text
- https://dedelazixuni.weebly.com/uploads/1/3/4/5/134596723/fekawojojorujazewe.pdfIn PDF document text
- https://cdn.sqhk.co/gituridewo/2iemUzq/peace_equalizer_microphone_settings.pdfIn PDF document text
- https://vifaseberafu.weebly.com/uploads/1/3/0/9/130969816/xorebufina_gugutewewater_bapujona_jezurajux.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://694dae7a-2033-4a59-8b06-91ff4eec0774.filesusr.com/ugd/e1d58f_f5048ce9230746e0a250db8bb64319e6.pdf?index=trueIn PDF document text
- https://41fe7446-7195-45c8-906d-de5e784989f9.filesusr.com/ugd/e02969_359a102c9a0e480094badaa623e40609.pdf?index=trueIn PDF document text
- https://50aad03f-9d2a-47e6-be13-abd12f321b17.filesusr.com/ugd/3fd638_284823492fda4227b70458ed98ec2344.pdf?index=trueIn PDF document text
- https://5b0e1d79-1acc-45ba-a965-31015372eee8.filesusr.com/ugd/67f5f7_72f22306301a466a89b1c5ec1d9e6ed2.pdf?index=trueIn 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_off0000f63d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF63D | 5360 bytes |
SHA-256: 4ae60669d4464979942acae0414404d83e5a5beb719a34ad7427b91960ab4809 |
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font_01_sfnt_off0001084b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1084B | 10440 bytes |
SHA-256: 0ad9cc61f7a210544c6c12ecdaa4af1ac5df9ea73296af760065f02c96bf36b4 |
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