MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external domains, many of which are hosted on compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The heuristic 'SE_URGENCY_LURE' indicates the document likely uses deceptive language to prompt immediate action, a common tactic in phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://crysiq.ru/uplcv?utm_term=android+spy+trial
- https://tiguan-wiki.ru/file/23679285901.pdf
- https://cheesykeju.com/contents/files/xowudosakajitu.pdf
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/925eed59adf9271fb5004ca2853b3189/jugewamonob.pdf
- http://spiregene.com/image/files/20210907_141403.pdf
- http://thermcom.cz/userfiles/file/supupixerebarumirisobefo.pdf
- http://tareeapartment.com/user_img/files/2124849051.pdf
- https://mmgrowersg.com/ckfinder/userfiles/files/32160209651.pdf
- https://deesudcoolingtower.com/userfiles/file/paxujaxofin.pdf
- https://degardo.hollandpazsit.hu/ckfinder/userfiles/files/bebimefoneruliki.pdf
- https://activepymes.com/pub/file/54649641980.pdf
- https://aymexco.eu/ckfinder/userfiles/files/saliro.pdf
- http://bienbao.net/uploads/files/66222916814.pdf
- https://bunyaminerdemir.com/resimler/files/66127960795.pdf
- http://haenuri.net/ckupload/files/laxeduj.pdf
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d17ba855ff---rafigozemufumebunofewu.pdf
- http://szerecsen.hu/editor_up/sufig.pdf
- http://tai-group.com/upload/files/wevubupibilituluro.pdf
- http://bjavc.com/filespath/files/20210904205957.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/161385fa5b3b72---83551298883.pdf
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/c3b92840a93166cc2fb966d722547f6c/botimixizusaxogiti.pdf
- http://wakesup.org/userfiles/file/56364300025.pdf
- http://mydreamtuscanwedding.com/editor_up/9060059903.pdf
- https://leise.ru/admin/ckfinder/userfiles/files/11299765089.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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fde7.binfe58658c4be703d99692a3212ade83d2f7b0a98c1776be2e995abdf7950587fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDE7 | 18200 bytes |
font_01_sfnt_off00012d63.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D63 | 16792 bytes |
font_02_sfnt_off0001457a.bin2b61291d27434c598003375fd55484e2cc81be7d937d081733f72a923770acb4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1457A | 10348 bytes |
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