MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs, with a primary one pointing to 'kuzutuzo.ru', likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to an 'award' or 'extraccion de bromelina'. No scripts were extracted, but the presence of multiple external links and the malware detection strongly indicate a phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 5
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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 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://kuzutuzo.ru/award?keyword=extraccion+de+bromelina+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4368251/normal_60680aac7394a.pdfIn PDF document text
- https://cdn.sqhk.co/retirifurew/jbZRhih/vat_refund_calculator_france.pdfIn PDF document text
- http://ruxovesubilesuk.22web.org/savakivefutafokuranufi.pdfIn PDF document text
- http://gelixovuxa.22web.org/gate_2020_electrical_question_paper_with_solution.pdfIn PDF document text
- https://cdn.sqhk.co/kuzosexiwugu/Ogageu7/50749982083.pdfIn PDF document text
- http://trujillostacoshop.com/vupaxokerxrp4b.pdfIn PDF document text
- https://cdn.sqhk.co/nepajenine/ggKjchb/green_poop_meaning_newborn.pdfIn PDF document text
- https://cdn.sqhk.co/tinupolureg/ggcjb03/kanto_yu2_computer_speakers.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424040/normal_5fdbd87c91ce2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408587/normal_604d33d41fe1a.pdfIn PDF document text
- https://cdn.sqhk.co/feduvefas/hbURjh3/17424363370.pdfIn PDF document text
- https://cdn.sqhk.co/wevamerazo/ghHuias/jump_rope_exercises_for_abs.pdfIn PDF document text
- https://cdn.sqhk.co/dugelabomaw/7jhzjgh/61927275008.pdfIn PDF document text
- https://cdn.sqhk.co/jodanonot/hbiciha/clinically_significant_drug_interactions.pdfIn PDF document text
- https://cdn.sqhk.co/fanalotozor/iggh5ae/pasiwupax.pdfIn PDF document text
- http://summerita.fun/minecraft_eyepod_modjp9r8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450641/normal_5fdf9a6983f82.pdfIn PDF document text
- http://dihtyar.online/prentice_hall_modern_world_history_textbookq1i6q.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381098/normal_5fd2666aea986.pdfIn PDF document text
- http://bluebadgeform.com/surah_al_mulk_ayat_4wfh5b.pdfIn PDF document text
- http://sallles.ru/pazemixawopepipawur9lpfd.pdfIn PDF document text
- http://natorg.fun/65641550372qn5lh.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dopusikarefo.rf.gd/piposogilazitex.pdfIn PDF document text
- http://batopodati.epizy.com/88225219533.pdfIn PDF document text
- http://gogewarixisude.epizy.com/jnc_8_hypertension_guideline_algorithm_2017.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010419.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10419 | 6936 bytes |
SHA-256: 2ed3a45aa1e8c735a30565147f5ac3c9da9e14db48c981ce6086fbeaf3b17406 |
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font_01_sfnt_off000115ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115BA | 5288 bytes |
SHA-256: db0f80a899d9bdedcb02442f06772902f0860891f266f7ce5258fbdcf63f378b |
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font_02_sfnt_off000127a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127A2 | 12964 bytes |
SHA-256: 6211662b925741e6674f24ac9d97c49e69eed8732c7009aabe42071bfe928726 |
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