MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains embedded JavaScript and a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting an attempt to redirect users to malicious sites. The presence of a callback lure also points towards a phishing or tech-support scam pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9889
Heuristics 9
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/kp25kijhrcua0089m4foc18l5e/zuwarunaduzepeko.pdf
- http://alarcon-v.com/editor_upload_image/file/5976395938.pdf
- http://ipublicity.cz/data/file/72855803892.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/aroij5lbmj5t3bmg76046j65n7/xovupomotawufizenupo.pdf
- http://gat-asset.com/CKEdit/upload/files/nebamobaxumotisepaxixer.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107b45f58a61---95289903057.pdf
- http://stainless-faucet.com/uploads/htmlupload/files/jarububoko.pdf
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/chga70h4mu0r1lobstl8lppqmn/jesiretulawoniv.pdf
- http://1137.jp/app/webroot/js/ckfinder/userfiles/files/sewijelasopozoz.pdf
- http://wpklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sudetilet.pdf
- http://zavalinka.by/var/upload/file/fumusimukojux.pdf
- http://klubalfa.org/img/userfiles/file/66457174526.pdf
- http://draftingfloorplan.com/ckfinder/userfiles/files/71271880791.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/1bcc4db54113852de86fb7d3dc2a2f5f/wesupilavapow.pdf
- http://duancanhotot.com/upload/files/68036916223.pdf
- https://standardpromotion.com/images/upload/userfiles/files/50781388109.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160aea58a067f6---patebozoboto.pdf
- https://edusfera.pl/upload/file/sezevesugixulerimidokuma.pdf
- http://kunjipsc.com/uploads/files/pixifal.pdf
- http://ediljolli.com/userfiles/files/malofevufumojipuwepotav.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160898667ba566---60026151355.pdf
- https://goldgreiner.de/userfiles/file/30682457965.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/7888151f23ceeda6135e861ef832caaf/repuxowimexivewigivike.pdf
- http://www.neoneofitou.com/ckfinder/userfiles/files/bodifopapowumiwaxuji.pdf
- https://alves.bg/ckfinder/userfiles/files/loberikovanepupepuzorajum.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607c739e51062---28488057388.pdf
- http://dashoernerboot.de/userfiles/foritawojadamegelipuratuz.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=fundamentals+of+database+systems+5th+edition+solution+manual+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_off00010d33.bin3b18d5ba3a59b2c5d0fe9c1c70d9199fe385f8cb2611ff1c974797cc82e4f2a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D33 | 11128 bytes |
font_01_sfnt_off000126d4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126D4 | 16792 bytes |
font_02_sfnt_off00013ee6.bin82b2207f9243a20d343b9d0cf828320676453badebfc8cdb7a2c080402c7dc00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EE6 | 18332 bytes |
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