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 0.9992
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://kuzutuzo.ru/strik?utm_term=at%25C3%25A9+quando+vai+o+imposto+de+renda+2020 PDF link annotation
- https://rewiwuzaziba.weebly.com/uploads/1/3/5/9/135959403/noxavizupisilefawoz.pdfIn PDF document text
- http://reabook.online/rstudio_cheat_sheet_regextnj1k.pdfIn PDF document text
- http://kutakelipaxeb.22web.org/chapter_3_sensation_and_perception_crossword_answers.pdfIn PDF document text
- http://dafagaketa.sportsontheweb.net/6866600052.pdfIn PDF document text
- http://forecast.bet/how_to_remove_alcohol_smell_from_clothesa0vxa.pdfIn PDF document text
- http://fuwefepor.iblogger.org/beatstep_pro_manuale_italiano.pdfIn PDF document text
- https://dawewixorumerix.weebly.com/uploads/1/3/4/6/134633471/6425774.pdfIn PDF document text
- http://xadexawufomovi.sportsontheweb.net/90951255688.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383791/normal_6037a291b7aaf.pdfIn PDF document text
- https://tovuwofox.weebly.com/uploads/1/3/4/7/134731163/9dd28841.pdfIn PDF document text
- http://pusedoropeseb.66ghz.com/37538070961.pdfIn PDF document text
- https://laforefuje.weebly.com/uploads/1/3/5/3/135333455/959abf0cd4e7ed5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470545/normal_5fdf707c35fc5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401538/normal_604b48052a873.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466657/normal_6043079496f2e.pdfIn PDF document text
- http://form-lnstagramcopyrightservices.com/89560380193kgnat.pdfIn PDF document text
- http://vixemifojetinag.sportsontheweb.net/dlink_dir868l_firmware.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443292/normal_60414426a1702.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/43df99d8-2167-41d8-8133-fdbd0d3ea006/46165933684.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c853cdce-e275-413f-906e-47652f26299a/69396821798.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d363784f-98db-4a25-94dd-d14b5e596be3/how_to_load_a_bobbin_singer_simple.pdfIn PDF document text
- http://jejotatimub.rf.gd/95526823230.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b5d1414-2210-4359-bf64-c68240a02430/77446328225.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2599a264-3021-4c37-8e25-fbd24392af46/el_guardian_entre_el_centeno_resumen_capitulo_1.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_off00011b75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B75 | 5664 bytes |
SHA-256: a01b33003642e4687eb0c81c2ddff980eb9a95f43e9cafbe91b58fc79e226c49 |
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font_01_sfnt_off00012e5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E5F | 13364 bytes |
SHA-256: a73c0eb2d7cc946d24ad425d1f7fef2a78251037f8ef3ee0c6afed909482c0ba |
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