MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document attempts to trick the user into installing a browser extension or update. The document also contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://baarspo.ru/strik?utm_term=how+to+edit+docx+in+openoffice PDF link annotation
- https://lozibojugor.weebly.com/uploads/1/3/1/0/131069840/ragojufikeresi.pdfIn PDF document text
- https://cdn.sqhk.co/jigitovewuk/bxTUK1s/ladybug_skating_rink_sky_update_xbox.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373519/normal_5fd3b3ad60f90.pdfIn PDF document text
- https://cdn.sqhk.co/nixuvaxuw/jgTHihf/pixelmon_mod_for_minecraft_pe_apk.pdfIn PDF document text
- https://cdn.sqhk.co/lewonuvaxu/cn9geJ9/okc_thunder_vs_rockets_game_5.pdfIn PDF document text
- https://dusomekekonipa.weebly.com/uploads/1/3/4/5/134580960/7155547.pdfIn PDF document text
- https://xuniwinasifobip.weebly.com/uploads/1/3/5/3/135302293/a2062e8c3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420431/normal_605343a51abbb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480732/normal_6014cc08d2c3d.pdfIn PDF document text
- https://cdn.sqhk.co/lanumakefu/qljfXhc/vebufuj.pdfIn PDF document text
- https://kavekoda.weebly.com/uploads/1/3/5/3/135326791/4009894.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475719/normal_605d77c28c975.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380876/normal_5fdf7008f2779.pdfIn PDF document text
- https://cdn.sqhk.co/kafexobesa/jys8hij/76281090355.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/mejigavukolu/96955676818.pdfIn PDF document text
- https://s3.amazonaws.com/zibenoroduzuw/983259706.pdfIn PDF document text
- https://s3.amazonaws.com/kezemiradigu/cyberstart_assess_answers_2019_challenge_14.pdfIn PDF document text
- https://s3.amazonaws.com/donukadizolin/78195162915.pdfIn PDF document text
- https://s3.amazonaws.com/jumedemimo/gotixumemagijuta.pdfIn PDF document text
- https://s3.amazonaws.com/xoxaneral/87000706492.pdfIn PDF document text
- https://s3.amazonaws.com/jiwisigetizoxif/zedadedivuwenupejuxetizas.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_off0000f657.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF657 | 4756 bytes |
SHA-256: 35d455395dd919b5bf3ff5f9103f640bb1dcb855077971d18a1d4a627bd69dff |
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font_01_sfnt_off000106b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B3 | 10716 bytes |
SHA-256: be0f647d1899ff5a82f94f0f0b478a68eb3dc5161c3863ec4c6d04e779d15f15 |
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