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 0.9998
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://leonvi.ru/award?keyword=arthur+rimbaud+biography+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4376610/normal_601e88632ecc2.pdfIn PDF document text
- http://savineme.mywebcommunity.org/23485276617.pdfIn PDF document text
- https://vafukomoruf.weebly.com/uploads/1/3/4/8/134862603/b68413c50cd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413865/normal_5fec73fba5e49.pdfIn PDF document text
- https://kivobuduzuv.weebly.com/uploads/1/3/0/7/130739084/d604c3ae82ba0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427820/normal_604a8ae822fe7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486535/normal_5fd64661f012a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365620/normal_601faff24abd0.pdfIn PDF document text
- https://gatamerat.weebly.com/uploads/1/3/4/0/134000446/medozaganunek.pdfIn PDF document text
- https://teleroxekafi.weebly.com/uploads/1/3/5/3/135321942/tifasisofemejofekugu.pdfIn PDF document text
- https://fodibiwowi.weebly.com/uploads/1/3/4/4/134479135/rufexodejutop.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366961/normal_602ba37c431e5.pdfIn PDF document text
- http://mitimewigupito.mypressonline.com/download_strongs_concordance_kjv_bible.pdfIn PDF document text
- http://vutisonoj.sportsontheweb.net/autocad_import_not_showing.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4461511/normal_6004522997754.pdfIn PDF document text
- http://kubosikavudux.mygamesonline.org/gukuzozevunekejanepavalu.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_08d1896211624939aec237ff01ac59fa.pdf?index=trueIn PDF document text
- https://d525ee04-2a40-494f-8ba9-fee52f7b18ee.filesusr.com/ugd/8b8e24_6fe53c2062684d559fb4c27b6d6b83e5.pdf?index=trueIn PDF document text
- https://692937ca-140d-46b9-9715-018e108c1018.filesusr.com/ugd/2540a5_d72e8124c1c74bb78fe6b4385b7016bb.pdf?index=trueIn PDF document text
- https://7afcd0b8-98df-42a4-afe0-9544d44c9539.filesusr.com/ugd/74e9cf_714f122a22e0476289daeb9911d19583.pdf?index=trueIn PDF document text
- https://b56e6f12-3f4b-4b75-bc29-9585eb3fba71.filesusr.com/ugd/73f0dd_71718c844ed24562b723cd70cd69de77.pdf?index=trueIn PDF document text
- http://rosevasejila.myartsonline.com/beatles_complete_piano.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_off00019a28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19A28 | 5476 bytes |
SHA-256: 566a26012633ed0252136339620ce9fd933e39d27d64d93fec132ccf0b99ce17 |
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font_01_sfnt_off0001aca0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1ACA0 | 14392 bytes |
SHA-256: a1c709513b3b8e0ba753b8e224ff12eb86192f52847135b71a019f95a005eb9c |
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