MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. Multiple heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting it's used to redirect users to malicious sites. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://ipmarketing.net/userfiles/file/jivejetubadota.pdf
- http://automsystem.com/UploadFile/file/20210523052021370.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c5387141d26---zalepajuli.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d1692e785---dibil.pdf
- https://ooo-kenk.ru/userfiles/file/56832401471.pdf
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/512b39e12a355db8dfe1b0f8fa26c32c/zomorisuxozomejoguwos.pdf
- https://www.leeja.co.uk/wp-content/plugins/super-forms/uploads/php/files/3d4b1827ddafb16d58475b66bbb4503d/40804886758.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d40d243d6---8177423543.pdf
- http://phoiinnhiet.com/images/uploads/files/folenubokunifopuvikisak.pdf
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/71143669860.pdf
- http://thsport.dk/ckfinder/userfiles/files/9649293129.pdf
- http://daoltrading.com/userData/board/file/fabaja.pdf
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/a29b299d89ef5b5c0735b5f14440686e/15014525178.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c10dd3e2c---49004074380.pdf
- https://serini-cloud.pl/uploads/editor/file/33599237644.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080431a29c25---fubuxewesifukiwosel.pdf
- https://stef-nancy.fr/upload/document/84802388954.pdf
- https://tangente-mag.com/img/file/kakanavibixom.pdf
- http://hotararicedo.ro/files/files/pupagekufe.pdf
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/ceb09b29rktl0k45vbm6206h85/71974928934.pdf
- https://novahealthclinic.ca/userfiles/file/kadosuwudujesutewidos.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b306e2390---kitefebuvafas.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a456ba3bb76---pujijotunak.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=rtd+types+and+ranges+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_off0000f972.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF972 | 16792 bytes |
font_01_sfnt_off00011184.bin602fc0455315a5ef456b3b7e839ca72547ea51e86efae08dd8411d0de552d557 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11184 | 17888 bytes |
font_02_sfnt_off00014098.binf86e8507412caa3619c35502fa6cb890ca7bee6bf9150680026af86637e017e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14098 | 10576 bytes |
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