MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to compromised CMS uploads and disposable hosting, likely intended to lure users into downloading malicious applications. The presence of multiple external URIs and a link farm structure strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://kientrucphatloc.com/upload/files/mojerojekunubidabag.pdf
- http://www.gpe-el.pro/ckfinder/userfiles/files/mozokipur.pdf
- http://imbirimbir.ru/files/wunifoliwajosugode.pdf
- http://www.morrisjones.co.uk/EditorImages/file/2906038892.pdf
- http://samuiluxurytravel.com/Uploads/file/73560548681.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c18459c8a2---vanenotikolan.pdf
- https://feltshoe.com/userfiles/file/pewejopiborobumanig.pdf
- https://pecsikult.hu/files/file/82460227286.pdf
- http://www.huntsvillepr.com/files/files/zumoninepitajojapemuso.pdf
- http://bptramptour.pl/files/file/79082802505.pdf
- https://nirkongrp.com/ckfinder/userfiles/files/54951848996.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/7ldcblerg7lc6m9rdukmhb5eni/jozerize.pdf
- http://ergo-logo-bamberg.de/userfiles/file/gotivinidisejamizi.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613fab94cb989---39261349604.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161427af8d44e2---bumipevotukivarudelane.pdf
- https://ijmscr.com/ckfinder/userfiles/files/luzukenafuribuxoge.pdf
- https://hiroyoung.com/data/files/jopebagesivebufif.pdf
- http://aotwresort.net/ckfinder/userfiles/files/57820189362.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131899174ddb---17644246967.pdf
- http://jaatkinson.com/userimages/93938560221.pdf
- http://basse-normandie.annuaire-regional.com/ckfinder/userfiles/files/megesajo.pdf
- https://bengalroys.com/ckfinder/userfiles/files/66746912533.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141dd425fbda---ladenu.pdf
- http://photo-ostrov.com/ckfinder/userfiles/files/kirarekawufetixojupaker.pdf
- https://oancora.com/ckfinder/files/paxit.pdf
- https://www.willmarareachamber.com/ckfinder/userfiles/files/pisumamajesazumepifelo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=language+navi+app+download
- 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_off0000db68.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB68 | 16792 bytes |
font_01_sfnt_off0000f37f.bin44164811de2c6b57f39aa8aca019d53bffe299fed16e8d268ff35660c19947f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37F | 10408 bytes |
font_02_sfnt_off00010aea.bin37b4313828cfce63ab3f5f07471373838705e9fa560baedaff898d08cc5c1719 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AEA | 18056 bytes |
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