MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The PDF structure itself does not contain readable content, but the embedded URLs suggest a lure to external, potentially malicious, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a98004d43e4---bimed.pdf In PDF document text
- https://karinbentum.nl/uploads/file/naposonubepu.pdfIn PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/ratipuwugezo.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e88571bcf5d---46330674891.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfae6fa120b---56853321230.pdfIn PDF document text
- http://skidubravy.sk/spravca/ckfinder/userfiles/files/nuvidodagaxekiru.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1607f152172b6a---11295327291.pdfIn PDF document text
- http://wskinbody.com/data/boardData/files/vibig.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/c4b71ea84e5602ac268b99e00d33db05/46177214646.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/kogusowuw.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/b3202a5ac0bca23de0b684e5461f529e/6256517739.pdfIn PDF document text
- http://jingluo.net/uploadfiles/files/6453353407.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/13a85e3b52e1a373a6dbb43b6b2dec57/nuwuze.pdfIn PDF document text
- https://gachbinhduong.com/upload/file/duwupolafuwojuk.pdfIn PDF document text
- http://sapaethnic.com/webroot/img/files/kirovawimiriwasek.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3de7fdc1f4---53602192092.pdfIn PDF document text
- https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/57bf35b03862a0027d7980edd6ffcdf4/35287645307.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/lexatoki.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/44867931118.pdfIn PDF document text
- https://petikdaun.com/contents/files/xisaxes.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=nom+004+ssa3+2012+del+expediente+clinico+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b2d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000caea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAEA | 11304 bytes |
SHA-256: 1ebacc2d5699441ee5ea15d053d9a3492645e0ea0b755302c176874e09661f16 |
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font_02_sfnt_off0000e59e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE59E | 16280 bytes |
SHA-256: f20eb530eb110c14827a31d5286cd361a9cd9bfe6fa81f801f0332158669c2f0 |
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