MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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/strik?utm_term=inkscape+edit+svg+font PDF link annotation
- https://cdn-cms.f-static.net/uploads/4465538/normal_604fa1d1a3c1b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468828/normal_602227942fe41.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496828/normal_5ffac11b68968.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413235/normal_606e67b975e22.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446645/normal_601756f17e9e6.pdfIn PDF document text
- https://cdn.sqhk.co/zowuvutevak/giH8tGp/gowuxulunuvafaluka.pdfIn PDF document text
- https://cdn.sqhk.co/wibononuve/gBYJYhj/88159251445.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410988/normal_5fd6e8eb56bbf.pdfIn PDF document text
- https://cdn.sqhk.co/xiwasazafu/Mghibde/gedubadipivetegil.pdfIn PDF document text
- http://rujewazaxijaza.sportsontheweb.net/marianne_moore_poetry.pdfIn PDF document text
- http://demuxum.getenjoyment.net/skf_bearing_calculator.pdfIn PDF document text
- https://cdn.sqhk.co/pebekaja/fhihrPB/medical_english_vocabulary.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485828/normal_60551a6557cc2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481061/normal_5ffd4554b4cc2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369935/normal_605319110d054.pdfIn PDF document text
- https://cdn.sqhk.co/venitalobeni/gjjjjeO/28017569175.pdfIn PDF document text
- https://cdn.sqhk.co/mamevugixej/ULgfb7N/throne_of_blood_streaming_english_subtitles.pdfIn PDF document text
- http://dizofuses.mypressonline.com/chopin_ballade_1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9e269ae7-c3cf-4b9f-bde2-1d9be064b7bf.filesusr.com/ugd/139869_18959d62f0b74d4ead0e40cd34f6bee6.pdf?index=trueIn PDF document text
- https://29474179-7c7c-44ae-84e0-3c37792f2e25.filesusr.com/ugd/7f817d_98e0c6eaa9a04970a1db906c19ce2216.pdf?index=trueIn PDF document text
- https://5d55c623-01b0-417f-8131-8dfd0334080c.filesusr.com/ugd/9ef046_45b84c73da0043f082a23ea819a38ce9.pdf?index=trueIn PDF document text
- https://46c0acaa-de7d-4f46-84f0-c2cf1d8ff7d9.filesusr.com/ugd/ac1638_78cce882b810444ba1a1d64467bf6560.pdf?index=trueIn PDF document text
- https://5405d108-7f1e-482b-a10c-e06f62b7505d.filesusr.com/ugd/d941b1_69c817c4cfc24b1fa4bdecd6da83068f.pdf?index=trueIn PDF document text
- http://wutorokanotomav.onlinewebshop.net/functions_of_the_human_brain.pdfIn PDF document text
- http://siniligavaxuvul.onlinewebshop.net/24883640920.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_off000100e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E1 | 5256 bytes |
SHA-256: 6e58b9a92aaf17ad0fb7f1c3990a4e378f649c6e296d6e321350c8a74f016720 |
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font_01_sfnt_off000112ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112EF | 10964 bytes |
SHA-256: fb6d9e34959b6e1c5b2970b54c7c1dc07ac59336392eb06b64dae0255c8ec5fc |
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