MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains a link farm hosted on compromised CMS upload directories, suggesting it is used to distribute further malicious content. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution scheme disguised as a software crack download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5864f8167a---68201466008.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c1f22b438---dizolasetejujasax.pdf
- https://angkalaris.com/contents//files/bujifivujezez.pdf
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/abce89c4b87c6a55ceeea992736ca80f/godusizuzeneberaloruj.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/37c6dbbaa15d48f611ded16bdfbac486/zanikatijiluxevodum.pdf
- https://kozhikodedeaf.org/admin/my_files/file/gijovedosojona.pdf
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e85220dbf5---39501972648.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/e4ee8ef996f316f8958576050683de5e/27474999192.pdf
- http://sportgalaktik.sk/userfiles/file/31142359369.pdf
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/94cfc83f5e06424e59e002f6f2c3a3e4/16046725585.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086cae714eb4---vobonafexilitozixen.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e604f6128c---savuwolodetok.pdf
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/315e99b3842e13bd38ca147acd1a2848/71415964906.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/7rfojnvm21hvre8djnjb3a77ve/joxobijirinopejaser.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b8b362374---mawibexikadero.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=corel+draw+portable+x7+crack
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc02.bin3c24cb819332498887524c31ea25e8718ebf6bce93b192bcac793dcecb08b47c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC02 | 5240 bytes |
font_01_sfnt_off0000ddf7.bin873cae7404d4399403f9225cc9ba2f3c749002ae2920f9cad31116adc75b2446 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF7 | 10152 bytes |
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