MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with at least one, 'https://leonvi.ru/award?keyword=manejo+cetoacidosis+diabetica+pdf', being flagged as suspicious. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is part of a link farm designed to obscure malicious destinations. No scripts were extracted, but the presence of external URIs and the link farm heuristic point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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 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=manejo+cetoacidosis+diabetica+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4500429/normal_60371c033ec4c.pdfIn PDF document text
- http://potenciy.xyz/canon_pixma_mp250_printer_troubleshootingchc9t.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405902/normal_6029c6fff0574.pdfIn PDF document text
- http://kieverts.xyz/free_dog_bandana_pattern_template8jqjz.pdfIn PDF document text
- https://cdn.sqhk.co/dasofuduveje/jgjcigz/camila_cabello_agent.pdfIn PDF document text
- http://kawlites.online/93330314205we2bn.pdfIn PDF document text
- https://cdn.sqhk.co/vozevadijut/hc4gjif/king_of_pirate_apk_download_ios.pdfIn PDF document text
- http://com-signto5.xyz/59943071761yw9af.pdfIn PDF document text
- http://tulumiv.medianewsonline.com/juwadi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465704/normal_605a0c422f990.pdfIn PDF document text
- https://cdn.sqhk.co/dogutadova/jaMpzFp/teacher_assistant_salary_scale.pdfIn PDF document text
- http://skidki-day.store/17946783885cxxyc.pdfIn PDF document text
- http://feremujidonigu.getenjoyment.net/lp_hematochezia.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/8dc90a9c-5f8b-401c-a814-f24bfd8734bb/69555315623.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9db35e2f-97c9-41dd-92b4-fb20301f0687/comcast_technicolor_tc8305c.pdfIn PDF document text
- http://lavisekenesavof.myartsonline.com/70405551575.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c5332852-aa79-4bf6-b964-b70130c88ce4/totoditozogalaje.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b05ebbaf-e0aa-49da-99a3-93057b95f2c3/kidde_hardwire_smoke_detector_with_9v_battery_backup_6-pack.pdfIn PDF document text
- http://badamowafe.onlinewebshop.net/marketing_plan_report.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab0e87da-b7e0-4c33-9f15-905bb1bcc7e6/50496501237.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d2cd096-ef28-41cb-9a5a-2827a45a48b0/59573767087.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dadf8216-3a01-474e-8629-5a69b9e9d16a/how_to_fix_a_whirlpool_oven_door_handle.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/695b3540-2063-4fc6-9e2d-f44593a749ec/ue_megaboom_3_specs_watts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ece48aa4-7a29-4ff2-9620-e4cadad5f7e5/english_speaking_learning_book_free_download.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_off000115c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115C1 | 5244 bytes |
SHA-256: 408b4bca5cff9c8b57830382fd22531d70a0e72d9507b81d2347de8ec2217cfc |
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font_01_sfnt_off000127ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127BA | 11752 bytes |
SHA-256: 3bc636bfd3ecee63897d4c2f572e28bab46907e361d03983341f0975ffe4c502 |
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