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 0.9997
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 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://midufefew.ru/wix?keyword=%25D7%2594%25D7%2590%25D7%2597+%25D7%2594%25D7%2592%25D7%2593%25D7%2595%25D7%259C+%25D7%259C%25D7%25A6%25D7%25A4%25D7%2599%25D7%2599%25D7%2594+%25D7%2599%25D7%25A9%25D7%2599%25D7%25A8%25D7%2594+%25D7%25A4%25D7%25A8%25D7%25A7%25D7%2599%25D7%259D PDF link annotation
- https://cdn.sqhk.co/wazafanez/1t5tqEf/80400492133.pdfIn PDF document text
- http://tamazilewuviden.22web.org/best_zombie_survival_games_xbox_one_2020.pdfIn PDF document text
- https://cdn.sqhk.co/karopepagu/jiNxKgj/31800857561.pdfIn PDF document text
- https://cdn.sqhk.co/detaludolef/jaa9CyK/vufifexodiruburebezib.pdfIn PDF document text
- https://cdn.sqhk.co/luwivimexu/hBhjghF/cadena_100_argentina.pdfIn PDF document text
- https://cdn.sqhk.co/zokuwagopole/1bheijL/blood_pressure_readings_explained_australia.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/jadere/wojixoxadodev.pdfIn PDF document text
- https://c0cead0d-5248-483d-940e-95cc3acd9bde.filesusr.com/ugd/20d83a_bfd38dbe3f854d759b7a23096b4af910.pdf?index=trueIn PDF document text
- https://3d7304b5-8527-495f-b913-615d6f357a43.filesusr.com/ugd/ef7486_e49d89c031e341cf925f446594826294.pdf?index=trueIn PDF document text
- https://6bb2b61b-82bf-473b-8365-63ddb02ddbdd.filesusr.com/ugd/d55797_1145829e37de49a89dc45c4225d8be58.pdf?index=trueIn PDF document text
- https://8d2868a3-57b7-484c-81f6-493c1c4f5daa.filesusr.com/ugd/a8ca0f_f99bbc1f54894d3b9e5a69226e4409a0.pdf?index=trueIn PDF document text
- https://113c517c-d7b0-4b36-99d7-6722bcb7ef36.filesusr.com/ugd/8e66a5_6edca978682d4892a4745c78994b7ec8.pdf?index=trueIn PDF document text
- http://rilinaga.epizy.com/denesoretituremumatukam.pdfIn PDF document text
- http://sowawobajomo.rf.gd/company_logo_design_template.pdfIn PDF document text
- https://s3.amazonaws.com/mesixadelomomo/adarsha_vidyalaya_application_form.pdfIn PDF document text
- https://28ed73df-463f-41d7-bc87-4635118fd8e0.filesusr.com/ugd/74acc8_8934aaa3aff447f0a05c7e6b2b4460ad.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zosevid/69797452778.pdfIn PDF document text
- https://6674166f-eb58-46b1-9d38-a528bc95e02c.filesusr.com/ugd/e38d8e_a6518b7e4e0f4a0ba5bceacdecabfd92.pdf?index=trueIn PDF document text
- https://3bdad275-8828-414d-9063-9532e035d791.filesusr.com/ugd/c67d0c_f4ec004dd08e4490ae51008acf96af2e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zunaduxa/mokafuzonilewajumav.pdfIn PDF document text
- https://aa4c2489-c93b-4667-afab-104bf5323bad.filesusr.com/ugd/8b49c6_0fb79af5d0ae437a967d0f9a7e3115a2.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_off0000d240.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD240 | 5200 bytes |
SHA-256: 491c25f6bd7e6425edf7dfb63dfe680136ca42dcefdce37d8b84ac72e2a470a0 |
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font_01_sfnt_off0000e448.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE448 | 11416 bytes |
SHA-256: 0bcb815c411be7ccbd568460ca6c8117847b3f551dde1742a7b164a5510cfb0f |
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