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 0.9996
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://leonvi.ru/wix?keyword=cell+project+rubric PDF link annotation
- https://cdn.sqhk.co/zururodi/hhdifSk/63485487510.pdfIn PDF document text
- http://naykaryadom.fun/national_diploma_mechanical_engineering_salary_in_south_africavmfjw.pdfIn PDF document text
- https://cdn.sqhk.co/dugubupa/fMgcajh/endangered_animals_worksheet.pdfIn PDF document text
- http://navaram.online/21320378119zftau.pdfIn PDF document text
- https://cdn.sqhk.co/sanojuxako/gie7jih/t_rex_world_multiplayer.pdfIn PDF document text
- https://cdn.sqhk.co/gazegarov/VhdYZih/pememaselolojoxazinizen.pdfIn PDF document text
- https://cdn.sqhk.co/nivavepe/9zgjhdo/64393829420.pdfIn PDF document text
- http://meine-gebuhrenfrei.com/juwagbdzcd.pdfIn PDF document text
- http://bigpleasure.ru/badutusutakozizikayllc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8c285b57-3156-47ce-881b-df665acc117b.filesusr.com/ugd/8d46c2_7241cd7fc4824ba580642b589b11d6e3.pdf?index=trueIn PDF document text
- https://1afae0f6-9e35-4dc9-9db7-5dbf78511926.filesusr.com/ugd/afe78f_3ba0891c4a454e0b918f79f353e21d60.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d0a29834-0622-4cb5-9424-7790c2e4489f/tovixezubu.pdfIn PDF document text
- https://a72a44ae-2aae-4d6a-a6c4-235301d0a62e.filesusr.com/ugd/57436b_4ecb1cad6c0b4ef59572a44f481e57a4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xoxaneral/wiwekebunojuj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/554f641e-40bd-4dfc-bb0b-3ca547f4a053/librecad_autocad_commands.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ddfb9000-089e-40b4-8b2f-16c081776389/lekubiv.pdfIn PDF document text
- https://s3.amazonaws.com/tokatefozude/pumizotazusubed.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50af1136-8997-4595-a8cc-8d6a9141181c/peace_like_a_river_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec8f766e-ed35-4e70-b777-1b03613652ec/tusadupemum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/119e77b2-78fd-47ec-ace0-5f64bcbd61cc/63603442462.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4de9dd99-15fa-49b0-9f1f-650f8cf53689/43721982647.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/947cf0ae-76a2-4b84-b330-d69897534e19/liftmaster_formula_1_program_remote.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_off0000f28e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF28E | 4660 bytes |
SHA-256: 0ad011625ba5d0191fa0b3ba8b5881a3875253f4718296785f19b1955b26ef0a |
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font_01_sfnt_off00010273.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10273 | 10936 bytes |
SHA-256: 9c2a47739360ba0c9846a016293cdbf00c1864a1b6afc9969d2ef7506bee5bf3 |
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