MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it likely serves as a phishing or malware distribution lure. The document contains a large number of links, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the overall structure and URL patterns are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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 http://flexicourse.cz/res/file/3562934470.pdf
- https://red-adlay.com/upload/files/kijafizazokifulowig.pdf
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/vmhoevmotohqtmdfn08lkfjni5/65359614256.pdf
- http://rulada.by/upload/editor/files/12762555853.pdf
- http://php-lounge.de/userfiles/file/25567856891.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/39df98bffdfa967fd04b224a67f80e6c/4301186420.pdf
- http://vienhung.com/webroot/img/files/rodowejik.pdf
- http://stphilomenaonline.org/userfiles/file/34408289832.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/005ded1eea69cbaf4c1d25bd5f924707/37299666870.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607c68ae06784---pezufokiwoxinorirewaw.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/91eb1c62f48f4404a6042c3590b7578c/taxalifigijibutawesuxape.pdf
- http://kimhoatra.com/upload/fckimagesfile/giwimiki.pdf
- http://immopolignano.lu/images/33100830551.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/meh8jj1jver59p7ga53eua7bm2/gotirufa.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e11102c73---49387661544.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73a16e605f---53069050581.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/74a3d01ee3b7c1f67b34d5872ce401b5/luvetad.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caf7e9e288---24287815638.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e54f9ad383---nowalafe.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/f1f847065b9ca2a0d59fdf6b515457a8/wogujozirusarasemowimupe.pdf
- http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/bixidotopexojobudul.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b8b78952c---92781942646.pdf
- https://cdmsig.com/ckfinder/userfiles/files/94928149544.pdf
- http://augsburger-dartliga.de/uploads/file/44362243492.pdf
- https://lesartsdansmonjardin.com/userfiles/file/20210601070310.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=defamation+of+student+by+teacher
- 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_off0000f07d.binbe015a80f61cfc6aa271f68516a78d7e61ebd6d904d078c40c44d18c539a9ce3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07D | 11048 bytes |
font_01_sfnt_off00010a11.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A11 | 16792 bytes |
font_02_sfnt_off00012223.bina53daad121952ec9fe6dc950c85d2c324c3eec77d1e63cc520a082c4c78255a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12223 | 16664 bytes |
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