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 0.9997
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://leonvi.ru/award?keyword=scholarship+application+form+format+pdf PDF link annotation
- https://cdn.sqhk.co/vadavenaw/cahePgh/xejudavekavitajamusa.pdfIn PDF document text
- https://cdn.sqhk.co/milagaleja/PhbJHjd/71449580799.pdfIn PDF document text
- https://cdn.sqhk.co/giganopof/jghgdia/ruvoz.pdfIn PDF document text
- https://nokemodikobo.weebly.com/uploads/1/3/4/3/134308311/tolexepezilaruleso.pdfIn PDF document text
- https://xopaluwejur.weebly.com/uploads/1/3/1/8/131857284/vunobatetet-tulujoj.pdfIn PDF document text
- https://cdn.sqhk.co/tusufawenu/ghDcJhi/kontra_k_best_songs.pdfIn PDF document text
- https://wajotirege.weebly.com/uploads/1/3/5/3/135306859/tanopusimedon.pdfIn PDF document text
- https://ruxunomitebapat.weebly.com/uploads/1/3/1/6/131606858/nawezibadodafij.pdfIn PDF document text
- https://cdn.sqhk.co/balaragu/djjhbjh/47479122884.pdfIn PDF document text
- https://cdn.sqhk.co/xoraxuvonaf/hbsjT2g/zudareje.pdfIn PDF document text
- https://cdn.sqhk.co/letareximo/yjfuwha/karen_meme_let_me_speak_to_the_manager.pdfIn PDF document text
- https://zewelujipe.weebly.com/uploads/1/3/4/8/134846298/4376134.pdfIn PDF document text
- https://lezanaxowap.weebly.com/uploads/1/3/2/6/132696506/4dd38198af7f2.pdfIn PDF document text
- https://sijapuxojowul.weebly.com/uploads/1/3/4/6/134616399/xofokuna.pdfIn PDF document text
- https://jelulepotaf.weebly.com/uploads/1/3/4/3/134383906/578903.pdfIn PDF document text
- https://tuwagufo.weebly.com/uploads/1/3/3/9/133999840/sojulemarepo-xofowuxenibem.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://b5526579-b22d-45a0-8251-9885a72cf3eb.filesusr.com/ugd/0cd019_a4e01f10eeb84a61b8017742016af867.pdf?index=trueIn PDF document text
- https://dab7fb03-f2af-4a8e-9cb9-31de623bedb3.filesusr.com/ugd/58b596_5f28118065784f9396c8877a6a057ecc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d4a12625-4887-4599-8909-db60409810e7/47950443082.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61516a55-6dfd-4bf4-883d-7d43d00c336a/87723418616.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f787.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF787 | 5168 bytes |
SHA-256: 97b3598c363878cdd0a006e940ca01a814807964c7281b1c5aba3eade8b0d67d |
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font_01_sfnt_off000108d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D4 | 11456 bytes |
SHA-256: e6df3a3ef36d3d870b950b05737cbe29635ae6d95c45f8e62c4c9469950db3f9 |
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font_02_sfnt_off00012f99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F99 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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