MALICIOUS
134
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 and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/aws?utm_term=brand+identity+questionnaire+pdf PDF link annotation
- http://wogamilip.iblogger.org/vuniwixoduxemuwujo.pdfIn PDF document text
- https://cdn.sqhk.co/tewisifupib/bL4ij2g/white_chickens_with_feathered_feet.pdfIn PDF document text
- http://gayerkan.com/sozofozuzowozuvakilasador5qp9c.pdfIn PDF document text
- http://jetolad.iblogger.org/90898244172.pdfIn PDF document text
- https://cdn.sqhk.co/litigoruf/Riijaab/88611069621.pdfIn PDF document text
- http://ru-1.casa/mubukadunulituzidetuxabekc1gbk.pdfIn PDF document text
- http://prolac.ru/545564482689ad7f.pdfIn PDF document text
- http://tumbaa.space/ielts_academic_reading_true_false_not_given_practice50cv1.pdfIn PDF document text
- https://jewadasin.weebly.com/uploads/1/3/4/6/134604584/xijetupubavanomu.pdfIn PDF document text
- https://vaxudiku.weebly.com/uploads/1/3/4/7/134709892/4842601.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dubabin.rf.gd/camera_scanner_to_pro_apk.pdfIn PDF document text
- http://ruzupaxenerod.epizy.com/sap_crystal_reports_server_2011.pdfIn PDF document text
- http://wepuwuzuvam.epizy.com/87193101135.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_off0000d3e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3E1 | 5280 bytes |
SHA-256: a1466b22acd774f05483c87e970a01c5aeeb6f6c2fb2d47857ba002927d42229 |
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font_01_sfnt_off0000e5eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5EB | 11388 bytes |
SHA-256: f57d6d943cc8087a9f0462bad002b451999f7fd79ff78f3be1fc83f2791de39a |
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