MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. 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 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://zajinet.ru/award?keyword=tricare+prior+authorization+form+pdf PDF link annotation
- http://vetizivonisare.22web.org/chinese_herbal_medicine_materia_medica.pdfIn PDF document text
- https://pinowutofabu.weebly.com/uploads/1/3/4/7/134763632/4817267.pdfIn PDF document text
- https://sizamuvexiluti.weebly.com/uploads/1/3/4/6/134644091/zegezono.pdfIn PDF document text
- https://pikimitif.weebly.com/uploads/1/3/3/9/133997727/menukitu_sibipewiwafu.pdfIn PDF document text
- http://pixunune.sportsontheweb.net/74944518234.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/91b27877-86e7-45b2-803a-1da64fb0633c/luxaxedupav.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ae438fb-8908-49d2-9212-3442182ee136/10531828886.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd8ff962-c63f-4825-9ead-216fc25a3ba2/is_taco_bell_healthy_uk.pdfIn PDF document text
- http://vowaxuf.rf.gd/marine_accident_reporting_regulations.pdfIn PDF document text
- http://xefiposokupama.myartsonline.com/vukix.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d5f97650-b8be-4ad9-a033-5d4c9ccccec1/jibabopobeguno.pdfIn PDF document text
- http://gatoruvizuzil.epizy.com/95984362570.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f4458bb7-33cb-4057-a1c2-6010f6dd2093/navy_seal_dress_uniform_2020.pdfIn PDF document text
- http://tibelobal.epizy.com/guia_de_adestramento_canino.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f1da175a-60b9-41c6-928b-d83fcdc88714/6021311723.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b226c7ce-0650-4cea-8767-6adb6d70934c/math_worksheets_for_grade_4_multiplication_and_division.pdfIn PDF document text
- http://retuguru.epizy.com/cdc_guidelines_hepatitis_b_booster.pdfIn PDF document text
- http://dusiwesidixe.epizy.com/how_to_get_a_medical_waiver_for_the_marines.pdfIn PDF document text
- http://venugowus.epizy.com/67726762144.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e002fa3b-a9d5-4856-8114-56d54039471e/tri_tronics_g3_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/285ca492-c392-4ed1-ab24-f3e5b2d69e3f/conflict_resolution_skills_for_youth.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_off0000e0a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A4 | 5184 bytes |
SHA-256: 4cdcfe9fd48a0a00a8c008a58e640d7002c42b00e24ae0791f308824ba6935ba |
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font_01_sfnt_off0000f226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF226 | 10996 bytes |
SHA-256: 97874fa018e7cae33720a00ce687833f66aa7e03a6304beee96da6b6302ce44e |
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