MALICIOUS
186
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. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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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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/123?utm_term=ps1+emulator+for+psp PDF link annotation
- http://gidomepijamasos.iblogger.org/xugurojugozukiwifis.pdfIn PDF document text
- http://fudopajir.iblogger.org/improving_confidence.pdfIn PDF document text
- http://peludofnor.fun/26340117364jtwyj.pdfIn PDF document text
- https://cdn.sqhk.co/basinasedu/jaEz0Pg/cezar_bitencourt_tratado_de_direito_penal.pdfIn PDF document text
- https://cdn.sqhk.co/nujudemugipi/3YMk9ie/female_college_basketball_coaches_salaries.pdfIn PDF document text
- http://lovelyhouse.online/64077055241kp246.pdfIn PDF document text
- http://goxopisejeza.22web.org/56649867403.pdfIn PDF document text
- http://prizinsta24.online/14052958576n3nvx.pdfIn PDF document text
- http://esportzmlevent.com/tefal_neo_pressure_cooker_instructions8o9dw.pdfIn PDF document text
- http://50off.pro/sovusipulajuratelozix5pvq.pdfIn PDF document text
- https://cdn.sqhk.co/mapigusene/I6ogdjd/84628673914.pdfIn PDF document text
- https://cdn.sqhk.co/vudasobije/e3gchfX/15965614674.pdfIn PDF document text
- https://cdn.sqhk.co/riketumes/6ylC1ja/80140976043.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a19d597f-2220-41b3-9459-688249e8a20b.filesusr.com/ugd/f19f53_43335fa40936435d8bbeb36300f02dd1.pdf?index=trueIn PDF document text
- https://8f1ef4f7-3f23-41ef-a3d6-4e5873a175a2.filesusr.com/ugd/d318ce_a75dfed3d2d2413d9e0e856cf76767f7.pdf?index=trueIn PDF document text
- http://siwojanapav.epizy.com/detuvab.pdfIn PDF document text
- https://486bfeb6-87d8-40a3-812f-3449909c9139.filesusr.com/ugd/81b904_c34266215bf94dad86ffce985f89d68e.pdf?index=trueIn PDF document text
- https://99442e0c-e188-470f-b1e9-a2082f9e7f28.filesusr.com/ugd/2274a7_c7af51c8b4af450a83a30979163a499f.pdf?index=trueIn PDF document text
- https://933527c5-e005-4225-a3aa-05fee46c7696.filesusr.com/ugd/b51dd5_bd794f3f5eab48789d976bdc15d79d8f.pdf?index=trueIn PDF document text
- https://b5c90759-dbf8-4ccd-b12d-e23c958527f9.filesusr.com/ugd/915a55_32bc507d38c34855b77fc1a9c21cdfdd.pdf?index=trueIn PDF document text
- https://cf176ec6-4820-456b-adf9-61e5f06c968f.filesusr.com/ugd/43d598_5f6fcd9af59e4dbfad2cb848cc95d83d.pdf?index=trueIn PDF document text
- https://30b7a97f-6117-4fff-8876-4b3c2220b6c6.filesusr.com/ugd/15cd4d_9f311194f73247cba21a2b953a947efa.pdf?index=trueIn 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_off0000e63f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE63F | 5100 bytes |
SHA-256: b73303f56985379b9d7955d4a2596d68423b0c47e098a5861cdf30311bc078d2 |
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font_01_sfnt_off0000f78b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF78B | 15408 bytes |
SHA-256: c525ba77b27adbf3cb7b808c05a3cee178c757986ab09136e34ea24ae0aad501 |
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