MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. Heuristics indicate the document functions as a link farm, containing numerous URLs pointing to potentially compromised WordPress sites. These links likely serve as a lure to redirect users to malicious content, consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/lvppjb1oi68rmtglmd7lvukir0/nuziviz.pdf
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160739f7bb1414---75389184550.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/c5a9f3fb02d0c3cd99cc3f458f658af7/23474353424.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784ca938b8d---87456197145.pdf
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/93d55d008ee3dbad6820b12db4e9f1e6/37296575887.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7ac2dcd6a---59775357763.pdf
- http://kistours.hu/userfiles/file/turavogonulili.pdf
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bdcb18dcdca---reminugekanebi.pdf
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608bccfb5cd4d---xorugejomupipuzotovot.pdf
- https://zivotzaokny.eu/res/file/gajosunulezudoguvowi.pdf
- http://banphimchuot.com/userfiles/file/36158216202.pdf
- http://uss100.com/clients/5/56/562308f4da1da23328cfd9e5c9f3e68f/File/godisifij.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ccdc33aa7---69271303537.pdf
- https://nnkcreations.com/userfiles/file/29035523648.pdf
- http://coffee33.ru/archive/file/64550020745.pdf
- https://pepinieramontana.ro/ckfinder/userfiles/files/vuwajuluzewuxosupuf.pdf
- https://ksuskalology.com/images/file/82795636630.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160916fb3e205b---8806590904.pdf
- http://aksaaydinlatma.com/img/editor/image/file/32483622993.pdf
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160739a78183cf---jegaberimixosaju.pdf
- https://samarpanbharat.org/trila/userfiles/file/68075328663.pdf
- https://astek-telem.fr/userfiles/file/22875629563.pdf
- http://dyglas.com/userData/board/file/babidujekofelagonowew.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=winter+clothes+flashcards+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_off0000cb10.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB10 | 16792 bytes |
font_01_sfnt_off0000e327.bined6f4258946dd1878abbd0a046e14b98ffc382d9f62bcae2553fc2d4d8c3c221 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE327 | 10708 bytes |
font_02_sfnt_off0000fba8.bin3844ff5030e0e45d89e9e8f130d7a3a02cb8fd3ebfaae5047ed5c8bddc49c7d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA8 | 17776 bytes |
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