MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF was flagged by ML classifiers and ClamAV as malicious, indicating it's likely a phishing or malware delivery attempt. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and 'Qt', suggesting it might be a generated PDF. The presence of numerous external URLs, including one pointing to 'midufefew.ru', suggests it's designed to redirect users to malicious content or download further payloads. The 'SE_ENABLE_LURE' heuristic indicates the document likely prompts the user to enable macros or editing, a common tactic for malware droppers.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 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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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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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/strik?utm_term=ms+excel+2016+tutorial+pdf+free+download PDF link annotation
- https://wumaviki.weebly.com/uploads/1/3/0/8/130874148/00aa38052040a4b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4502246/normal_6001cdc128cba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368240/normal_6014c2b4c1dba.pdfIn PDF document text
- https://jozufibajas.weebly.com/uploads/1/3/0/9/130969385/a0b6e3228.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458840/normal_6018680fe30ec.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491673/normal_5ff6c2e41765b.pdfIn PDF document text
- https://lulipexo.weebly.com/uploads/1/3/5/2/135294167/kipunit.pdfIn PDF document text
- https://kaketoxemi.weebly.com/uploads/1/3/5/9/135989659/551620.pdfIn PDF document text
- https://tamipabofoj.weebly.com/uploads/1/3/4/8/134876193/xulavoxaso.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403959/normal_603c7df247330.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415934/normal_5fd81790e37f2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382414/normal_5fe57d8781a6d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418167/normal_6061ca6c18e41.pdfIn PDF document text
- http://lamakexo.scienceontheweb.net/pusiwenuxixokelodi.pdfIn PDF document text
- http://nomiwiturej.getenjoyment.net/rawobem.pdfIn PDF document text
- http://mipexalazalekab.getenjoyment.net/15179362088.pdfIn PDF document text
- http://vemelaribox.getenjoyment.net/assembly_language_programming_and_organization_of_the_ibm_pc.pdfIn PDF document text
- https://vabeluzaxudi.weebly.com/uploads/1/3/4/8/134884936/wurovakokawoziw-dovevanowe-romogatomu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nedizilunok.myartsonline.com/royal_500dx_cash_register_e1_error.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/18dc211f-6aa3-47db-9924-3e09413f5c84/16150343952.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8aefefc3-cb4d-4203-bd44-c11c10a548e5/23413485246.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/321c9968-d574-40db-814c-e2dabea0c88d/maytag_neptune_washer_dryer_reviews.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_off0000f2f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F0 | 5796 bytes |
SHA-256: d9272b823cfedb67c74986bbccdbbdf278466b2a58f124152ac102bd1ac252d9 |
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font_01_sfnt_off000106e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E4 | 10800 bytes |
SHA-256: 65b45e77ca8527eef5b6e4c58905c7af0735eb47d017b20d6e4f74ee80ac7f71 |
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