MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload directories and other disposable hosting sites. These links likely lead to further malicious content or exploits, consistent with a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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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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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://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083167b8dd7c---vefazuwugegogudemanofitiw.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/92a87975dfdd4683033d401235d4eb37/2133392546.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/8ulkt1e0cfggjrgdpoq6aa0qi3/53936294446.pdf
- https://schmitz.cz/res/file/27989930753.pdf
- http://carolstoecker.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/66534008609.pdf
- https://emprenderem.cl/files/nizivulidi.pdf
- http://schodylux.pl/userfiles/file/nitosutonu.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ombh43me9lv2qrq4724vmkept3/lifikolizuvapom.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/ve01h4m9lg4v0gt52jfmvkmg43/buzowipuragabo.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c75c3fda1---23093217596.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16084ca11ec15a---20747621399.pdf
- https://propiedades.net/ckfinder/userfiles/files/6354962414.pdf
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba779cee92e---rofepujamozi.pdf
- http://videofilm-tv.ru/content/File/nedorazulesefetu.pdf
- https://ntpuvoice.com/ckfinder/userfiles/files/takojejidobed.pdf
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/f0585359851ad49fd038a8b4d9f1af5b/98516335509.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/c1d902bc46ec9913abfca33a48c249ed/kasamidi.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079bf78891c6---bepewudisik.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160975b8ba51c4---52490125060.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0547e5e2b---dipopawonasa.pdf
- http://jtour.vn/userfiles/file/75670414331.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=aerobic+conditioning+definition
- 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_off0000ebd6.bin6ac689fbabc078431e709869dbaf38d95d32cafe4109d6e6fe72da18d4b9bcad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD6 | 10396 bytes |
font_01_sfnt_off00010342.binaa5f0afc4c9de9c05e98bbf23361a1a74a8ef4779984ff4e65bcf8dba7b6c8d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10342 | 16464 bytes |
font_02_sfnt_off00012df7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DF7 | 16792 bytes |
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