MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing operation. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://kuzutuzo.ru/123?utm_term=falciform+ligament+divides+liver PDF link annotation
- https://static.s123-cdn-static.com/uploads/4393369/normal_5fe08de42b52d.pdfIn PDF document text
- http://futup.ru/54453072967r7a28.pdfIn PDF document text
- http://streamsweets.com/zaxopx8yol.pdfIn PDF document text
- https://cdn.sqhk.co/lajazufuzu/daxicha/21640263342.pdfIn PDF document text
- https://cdn.sqhk.co/depifozopupe/jh0Bthi/archer_season_11_hulu_not_showing.pdfIn PDF document text
- http://business-open.online/jatimebagewixomujwn.pdfIn PDF document text
- https://zobojosapez.weebly.com/uploads/1/3/1/4/131483592/2480289.pdfIn PDF document text
- https://xivogere.weebly.com/uploads/1/3/0/9/130969247/togewe-suxoruvosimus-tikubozevajog-vusefe.pdfIn PDF document text
- https://bidiruvinevuf.weebly.com/uploads/1/3/1/3/131379477/bafujulugi-dunax-rinivirigo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482027/normal_5febc6e0e100d.pdfIn PDF document text
- http://jotafitosixa.getenjoyment.net/producer_agreement_contract.pdfIn PDF document text
- http://midikakuvekume.mywebcommunity.org/susawajilazimaditeto.pdfIn PDF document text
- http://movizopolu.medianewsonline.com/standard_bolt_sizes_metric.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383916/normal_5ff7d2cd7cf9f.pdfIn PDF document text
- http://zegererevez.medianewsonline.com/2013_dodge_avenger_serpentine_belt_diagram.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f608bf75-187c-4b28-9621-af925c05c2b6.filesusr.com/ugd/05e3ad_2fba5fc5bb144e9991c1d859830cac0e.pdf?index=trueIn PDF document text
- https://edefa294-c65c-46c5-840b-8a4669b9fdfe.filesusr.com/ugd/e4a001_257757854432447fa81d6bb677eb94a6.pdf?index=trueIn PDF document text
- https://48936d5e-4b15-4059-a328-ddb12afcc15e.filesusr.com/ugd/173145_c606625566ec42aca28e2ffee13c4ee4.pdf?index=trueIn PDF document text
- http://novupomajanox.atwebpages.com/can_t_hurt_me.pdfIn PDF document text
- https://2cc12256-1025-444a-bacb-901a9f007bda.filesusr.com/ugd/d1fcfc_1df966bf93cd4b2db7aada923dd8d615.pdf?index=trueIn PDF document text
- https://d4f4546a-a836-4b3d-8651-c56b89608eca.filesusr.com/ugd/3e9e83_144f5a8e917d4906a36e9ecd23e217f9.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD7 | 5356 bytes |
SHA-256: 113b9ad345a9bb331d5d77c8aedce809296ee5879a3f2a5acc4e04d61a38c24c |
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font_01_sfnt_off0000fe03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE03 | 11200 bytes |
SHA-256: 6c1301c6750bfd0368974b54ae027efeced2fa26a2b76b06bf1860fe0774cc2e |
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font_02_sfnt_off00012361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12361 | 16060 bytes |
SHA-256: d1a84ba8f0e4a827a048d387db8dd5dae3538f1c7e72415b16af587a9947cdc7 |
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