MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URIs, many hosted on disposable domains, suggests a link farm or phishing operation. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a spearphishing attachment attack pattern designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://pelibifir.ru/strik?utm_term=lista+de+verbos+en+ingles+y+sus+tiempos+pdf PDF link annotation
- https://cdn.sqhk.co/futevanu/c4hcsjF/52108431482.pdfIn PDF document text
- https://cdn.sqhk.co/lexelinowe/Y93ghjh/huey_lewis_and_the_news_greatest_hits_songs.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425209/normal_5ff57ea60c64e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383582/normal_600e3ef0069e1.pdfIn PDF document text
- http://tujemet.scienceontheweb.net/anger_management_ppt.pdfIn PDF document text
- http://vzruvayarttraff.xyz/is_coconut_oil_non_hydrogenated_shorteningzop37.pdfIn PDF document text
- https://cdn.sqhk.co/sijaxovada/aNihhfH/jailor_and_warder_exam_2019_key_answer.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487382/normal_5ff9bf7bd407a.pdfIn PDF document text
- http://nosinoski.shop/sofewumezagadelipijugs08g.pdfIn PDF document text
- https://cdn.sqhk.co/noviraxat/ia01grK/2010_ford_super_duty_towing_guide.pdfIn PDF document text
- http://nariwunuzaw.scienceontheweb.net/angina_de_vincent_tratamiento.pdfIn PDF document text
- http://texoraw.sportsontheweb.net/38694639909.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407552/normal_5fcf063c545cb.pdfIn PDF document text
- https://cdn.sqhk.co/migukosodaza/Suhgygi/double_alpha_gun_belt.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://makakanow.onlinewebshop.net/human_resource_mgt.pdfIn PDF document text
- https://96a9e3af-f0c3-4048-9e6c-0ad8da3c6018.filesusr.com/ugd/15d534_87fc539f1d0b4881bc1975fe69f7c2ac.pdf?index=trueIn PDF document text
- https://0df22b04-17ae-4e65-9af8-3af4445b4601.filesusr.com/ugd/71fd01_d9bdbad039fd4b81a3a46088b56df323.pdf?index=trueIn PDF document text
- http://zizenatoxu.myartsonline.com/5990399660.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cab37d92-a412-40e6-ae34-75e75a8fdd8b/14918527119.pdfIn PDF document text
- https://5a995288-ce6f-4ae3-a3e6-14272d8003db.filesusr.com/ugd/7be1cd_5904909842bf46b3b9c14650704467d3.pdf?index=trueIn PDF document text
- https://8dfdba76-182f-4dc4-9dda-37a8c8d09dc9.filesusr.com/ugd/4ae4db_78d64f9176bb4912812a69898f67f6d5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6f01dec5-c8cd-4f6c-bbb3-dd2cf950d1ff/dazevuxudozuge.pdfIn PDF document text
- https://f26e6bca-ce10-4524-9610-ed5ef7c8d48b.filesusr.com/ugd/ac8c68_ee0f4f156a1f447eb5fa0faab30604dd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/704bf671-a253-4dba-8d8a-af70e43fcab8/ralutavezinumavuboguli.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_off0000fa2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA2E | 5604 bytes |
SHA-256: a584666c7dce0e8fa8d06ac119fd4e35fe1f6afb3a9c69e634860ce3ef4e4ccf |
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font_01_sfnt_off00010d39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D39 | 10532 bytes |
SHA-256: 44b2c2bc763a4b574f2003553c017cd3d7728fa908bff4c8e294ff18747d6c44 |
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font_02_sfnt_off00013144.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13144 | 16204 bytes |
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e |
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