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://botokaw.ru/123?utm_term=guns+germs+and+steel+episode+3+worksheet PDF link annotation
- https://cdn-cms.f-static.net/uploads/4413117/normal_5fd76da7af307.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423462/normal_606a438ece45c.pdfIn PDF document text
- https://cdn.sqhk.co/nugunexinazo/fyfMjhb/34031440815.pdfIn PDF document text
- https://cdn.sqhk.co/jotepomi/jjhbY4I/terraforming_mars_prelude_expansion_buy.pdfIn PDF document text
- http://mawifit.iblogger.org/account_google_manager_apk_6._0._1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9f03b202-57d4-41ab-b0f0-8d5d99c3efb9/negotiable_instruments_act_with_latest_amendments.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c8206f1f-a350-4347-b762-0bc070f83833/lanujizab.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b037a0e-7741-4083-a9f6-5fc144858e6d/congress_of_vienna_conservative_worksheet.pdfIn PDF document text
- https://907864b8-ab38-4b43-b195-7646ee37c451.filesusr.com/ugd/c4b402_82594335c2c847c69f648b57ae2dc12e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f96d5862-b333-4fc8-a4dd-21f387305a75/sharp_objects_book_synopsis_spoilers.pdfIn PDF document text
- https://a35aa970-3e4e-4c20-be1f-53d10001bce9.filesusr.com/ugd/af4e73_8fb4bdef38fa437e891ebfbd200335fc.pdf?index=trueIn PDF document text
- https://a5fc3680-5c08-4cda-bd6c-abaa3bdf25bc.filesusr.com/ugd/ea5d7b_240021ce74c44ad7be7d678aac9bdb5c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0e3a7730-8479-4e66-afbf-889df3420d88/how_to_take_hair_dye_off_eyebrows.pdfIn PDF document text
- http://kexojupi.rf.gd/waludeso.pdfIn PDF document text
- http://goxabobuti.rf.gd/12243238344.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09adc00c-9eb8-4d49-b5a5-a046d2a640d7/66079374368.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8723e1f9-8cc8-4abf-aa41-43cfd6dc8479/fivapipafumit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9c61180-bdee-4dc5-a766-e3d3f1495317/allison_1000_transmission_rebuild_manual.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
- 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_off000109a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109A1 | 5724 bytes |
SHA-256: aeafbdb137e19a6827a9c460d230c49ff0464b668a765f4223312298fa1c0bad |
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font_01_sfnt_off00011d02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D02 | 14732 bytes |
SHA-256: f168027dcefd2f44b44408ed2ad1d0d590c4c9bf1936e635981789ab696621f3 |
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font_02_sfnt_off00014f01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F01 | 16252 bytes |
SHA-256: 55d7b50cc083101af31253b81ce3949b1c009ec8c12ef8f42a29786d93e1adca |
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