MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which are hosted on dynamic DNS services or link farms, indicating a phishing or malware distribution attempt. The heuristic 'PDF_SEO_LINK_FARM' and 'CLAMAV_DETECTION' strongly suggest malicious intent, specifically phishing. The document body, though heavily obfuscated, appears to be a lure related to a vocabulary worksheet, which is a common tactic to disguise malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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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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://druttle.ru/wix?keyword=wife+of+bath%2527s+tale+vocabulary+worksheet+answers
- https://vilofezilo.weebly.com/uploads/1/3/0/7/130740065/xidafem_mezumiz_ruxudaxopikemo_fumumexamewetof.pdf
- https://cdn.sqhk.co/tojofelekob/yjaDKig/asteroid_impact_effects_by_size.pdf
- https://cdn.sqhk.co/bobavijiwoba/aJbibDK/call_of_duty_3_xbox_360_free_download.pdf
- https://cdn.sqhk.co/dejijadu/Lejfsgh/94927385534.pdf
- https://cdn.sqhk.co/nubokeso/ifDOaie/piwosazigoka.pdf
- http://rivozuzeno.mywebcommunity.org/55727874147.pdf
- https://cdn.sqhk.co/jujejorule/mhbpahc/9123724168.pdf
- https://cdn-cms.f-static.net/uploads/4380379/normal_6015dc10270c7.pdf
- https://sulomotosepotu.weebly.com/uploads/1/3/4/7/134744650/porepuvanenoke-mesibojo-kiwudutevekuk-wowiruxuvotazob.pdf
- https://sowekunozo.weebly.com/uploads/1/3/5/3/135321923/xinuti.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://mowigefugitixa.epizy.com/dudegofanekax.pdf
- http://nufufud.epizy.com/master_electrician_exam_questions_and_answers.pdf
- http://nununad.myartsonline.com/36347856363.pdf
- http://zevebetuj.epizy.com/59440591045.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ceec.bin4cb484d250b0e2afe9392d04ad6dd89185fe1a346f3f3700bb97e7665fdb0155 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEEC | 5472 bytes |
font_01_sfnt_off0000e1b4.bine894698cebafc0e4333707cc1c66d13cfa48d4ce94d06823007e3f627a59c922 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B4 | 10096 bytes |
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