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-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://vilenefex.ru/strik?utm_term=que+significa+so%25C3%25B1ar+embarazo+de+otra+persona PDF link annotation
- http://waystep.site/gifafaxigilulojovunojiwuzjmkk5.pdfIn PDF document text
- https://cdn.sqhk.co/wemojezuvegi/haAGgeR/video_maker_apk_full_version.pdfIn PDF document text
- https://cdn.sqhk.co/porosobof/ehi9lgf/zunisogomedo.pdfIn PDF document text
- https://cdn.sqhk.co/rujiwujik/dyahbNJ/black_tie_dye_shirt_amazon.pdfIn PDF document text
- https://cdn.sqhk.co/fozuwasixeja/DRShfyC/wutezefabo.pdfIn PDF document text
- http://aduo5.online/6214708853fbbpf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/sivanira/crash_course_government_9_answers.pdfIn PDF document text
- https://59cf682b-6680-4a08-8b8d-0472bab64ef7.filesusr.com/ugd/d7d6cd_76d89b6bc19b4df480bc57207566019b.pdf?index=trueIn PDF document text
- https://f6b99bba-f064-431f-ab68-6eacb91b2703.filesusr.com/ugd/35e1ce_ff5678f3ad2347db97ba66da9ec7b68b.pdf?index=trueIn PDF document text
- https://5926284e-b61c-4ed0-95e5-27b9feedd2c3.filesusr.com/ugd/50c35f_1a57e2ca0a8c477fa6c6c39acbfe904d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wemazun/45094157338.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bffeed79-19b5-469d-905f-81550c960ea7/39398420197.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b31a826-5446-4247-b864-3a1d60c7ad23/black_and_decker_edger_parts_diagram.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12b4fb8c-ac77-4780-a813-6e3055a0595e/craftsman_table_saw_repair_parts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/86cbcd40-82c6-4c1f-88e9-1d1f5479c0de/brother_knitting_machine_kh260.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/04af2100-3d0c-497d-908a-4fae5315c654/how_to_fill_out_ps_form_2976-a_for_military.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/756f1f02-2591-44bf-ad70-8f6fe2658baa/where_is_the_best_place_to_look_at_christmas_lights_near_me.pdfIn PDF document text
- https://s3.amazonaws.com/tobovunoberiki/gastroparesis_diet_handout.pdfIn PDF document text
- https://s3.amazonaws.com/banula/rengar_guide_9._20.pdfIn PDF document text
- https://8d40832c-2e2b-4284-8151-bb35a16d80ac.filesusr.com/ugd/05d014_3937f688ec094b4c88a6e683e18bccff.pdf?index=trueIn PDF document text
- https://8a89c5bc-485b-4808-980c-66c60e8d9908.filesusr.com/ugd/834936_fb9b912580e64e88a4a96a91329b915c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/465788a3-4c0f-4dcb-8ec3-5c8b8e2772fd/3872602338.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_off0000cd6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD6B | 5908 bytes |
SHA-256: 4e04224eb9c4c03b7098677637077082e8b9c355a24a7dff137ab0c5599dcffc |
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font_01_sfnt_off0000e136.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE136 | 11060 bytes |
SHA-256: f9643ec2cd34f2719276caac9c16f94621a60c5154a7a15e5cdeee89ce7df228 |
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