MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous links pointing to compromised CMS upload storage and disposable hosting suggests a link farm designed to distribute malware. The heuristic 'SE_DOWNLOAD_BUTTON' further supports the phishing lure aspect, aiming to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b36f01b3859---dopudabefukiru.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160728369e39d5---94698387522.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2a4d7bac7---67464244186.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607577ab6611f---25066318213.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16091c5613340f---51552140280.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bf33ec23341---bosovozadupoluzusiwikinos.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5670a8bb7---kopuxibejoda.pdf
- https://growyourmoney.in/userfiles/files/zuwisifigonazikanulo.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094be32177b7---koniperujazuderabafirol.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/9vdq7qaai2rgfrevc6g07p7bm7/36545823626.pdf
- https://raiporjai.com/piceditor/file/62301344233.pdf
- https://immobilgold.com/file/nizesuzopepidijekipevix.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/87864f9659d49533dc60240b091a394b/vureberox.pdf
- http://makingtheturngolf.com/clients/9/92/925d9bae4ecf380f28dbe0e1390c16eb/File/69876835944.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/cd6ej3hqeb3njnu3reqkbdot2t/54505643617.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160769d4d4cd91---82404951051.pdf
- https://villatoscana-pi.it/userfiles/file/75536336394.pdf
- http://burfel.ru/upfiles/files/28049996622.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b25b6b5cb23---41492213427.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/da7a80ba7a4ce82c64f84bea8668ee79/lenopugibolaxol.pdf
- http://beiwendq.com/userfiles/file/49906969458.pdf
- http://artkulinaria.pl/sites/default/files/file/rotidofumanidogow.pdf
- https://papiratisk.cz/soubory/powomafumebezasigowap.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=graphing+vs+substitution+worksheet
- 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_off0000f244.binccb614ac6a9e9281f66f0f3ea9a9b4fcda9acb88974ad7960b70bf1fe624e53a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF244 | 16992 bytes |
font_01_sfnt_off00011e97.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E97 | 16792 bytes |
font_02_sfnt_off000136ae.bin10645061e16869346c2a9195ce2f6aba57236b747f8b05128d8682c09568aaa5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136AE | 11008 bytes |
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