MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The sample is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier with high confidence. Heuristics indicate it functions as a link farm and employs a social-engineering lure to trick users into installing a browser extension or update. While no scripts were directly extracted, the presence of external URIs and the nature of the lure suggest a potential for JavaScript execution or exploitation to deliver a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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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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://leonvi.ru/123?utm_term=agri+alert+128+manual PDF link annotation
- http://in-step.shop/gomirexefeveresm0gb7.pdfIn PDF document text
- https://cdn.sqhk.co/zopizote/jegiuxa/scary_island_dream_codes_acnh.pdfIn PDF document text
- https://cdn.sqhk.co/fesakesovoka/ghgihay/lessons_english_grammar.pdfIn PDF document text
- http://vedatolinofiz.iblogger.org/sonumivijir.pdfIn PDF document text
- https://cdn.sqhk.co/zikegasenar/9vWihvw/world_war_brothers_ww2_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/gulofiji/hgbhhic/sumif_contains_text_google_sheets.pdfIn PDF document text
- http://buyervannakupitvsem.xyz/freightliner_cascadia_2017_manual8t2v9.pdfIn PDF document text
- https://cdn.sqhk.co/sogunixe/Gjaggee/bagomazavaza.pdfIn PDF document text
- https://cdn.sqhk.co/juwafajem/jhigirp/botolujarugunamorosariwu.pdfIn PDF document text
- https://cdn.sqhk.co/vanewano/a0Uhghh/54289137772.pdfIn PDF document text
- http://poludafe.iblogger.org/widenadu.pdfIn PDF document text
- https://cdn.sqhk.co/rupizabiweze/aijNieb/chicken_invaders_3_xmas_download.pdfIn PDF document text
- http://kokilubowo.22web.org/96159599815.pdfIn PDF document text
- https://cdn.sqhk.co/dodalowogiv/3ghq0jh/dog_baby_yoda_meme.pdfIn PDF document text
- https://cdn.sqhk.co/mixaluwekitu/jikJghG/xupevapod.pdfIn PDF document text
- https://cdn.sqhk.co/wunasesev/jdFjegi/15335081467.pdfIn PDF document text
- https://cdn.sqhk.co/moturalogupe/jagh9ih/republique_restaurant_la_brea_los_angeles.pdfIn PDF document text
- https://cdn.sqhk.co/favosejo/ASBwmgj/stickers_maker_para_whatsapp.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://guxajez.rf.gd/best_book_to_learn_html_and_css_for_beginners.pdfIn PDF document text
- http://nujipuluz.epizy.com/steel_weight_conversion_table.pdfIn PDF document text
- http://fidazel.epizy.com/71883116725.pdfIn PDF document text
- http://zoxuleresuxenez.rf.gd/89984266493.pdfIn PDF document text
- http://dofumuligo.rf.gd/esc_guidelines_myocardial_infarction_2012.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_off0001431e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1431E | 5196 bytes |
SHA-256: fe185922c9aa5aff33ecf089d1d6bb67d0755d77caf1ed4a7753c7a1b6a75bbf |
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font_01_sfnt_off000154ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154BA | 12236 bytes |
SHA-256: e6e5511dd7805439e41eac0e154cb71e41fa2be18e2fd6d97f05f86fb07fb72f |
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font_02_sfnt_off00017e57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17E57 | 16060 bytes |
SHA-256: 1143ecdd1036854af7781a9416d0a82fe6fe24e09269eea81b933035be45ec4a |
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