MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress upload directories, suggesting it is part of a link farm designed to distribute malware. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9931
Heuristics 7
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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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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 https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607dca6788db5---29979747850.pdf
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/89f40e4a32f9a3e240c38367f99802b3/mukujifizofujejusisiz.pdf
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/e79d14267499dd4c3e4a3f4d7c535da1/80251983406.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5946cbd23---sebik.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/ms8o15tf6avioaki7ma3fhk6m2/1451820392.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721fe283e4e---77473879721.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/00df6e4fde40a1356294ec97a715a6de/53688704531.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/0ovfc8olemni58bebi46sacsg1/dokeb.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160c7ab8c6123e---jilef.pdf
- http://anhbanglaw.com/userfiles/file/55340007928.pdf
- https://rm-parketi.si/uploads/xuboruninejowiwesugamam.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/65064d1801c4b17689661facf0820803/7647704565.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607927154fc60---8667106846.pdf
- http://kco.su/userfiles/file/fakifo.pdf
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/joai086a8ocstqqo4q9vk6eb44/zifaxibimaredi.pdf
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/6680747242.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb66d2dfcb---35963840486.pdf
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/e40f5337fd34a439f5ce3ace00b29214/vefijisuxo.pdf
- https://encoregallery.us/wp-content/plugins/super-forms/uploads/php/files/67f1703c6480d40db4cc2a40bd9c558a/rukamak.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160826550f395e---82815837299.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077f28f1fd0f---kinodukuv.pdf
- http://gsmontaggi.it/userfiles/files/54273907014.pdf
- https://govox.co.uk/wp-content/plugins/super-forms/uploads/php/files/3art67ukn4mnt810p3lp67n9o7/tanobili.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=sza+doves+in+the+wind+mp3+download
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb4e.binfcca37035df06e555c2991ff65faa0e8497ca6423bee408ebc46b3aef925b516 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB4E | 16144 bytes |
font_01_sfnt_off0000e0cd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0CD | 16792 bytes |
font_02_sfnt_off0000f8df.bin9324544988f703c4e309ab13d75a4a18fa5b121b5cf3ac37da944adeb17a145c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DF | 18280 bytes |
font_03_sfnt_off000128fc.bin5205fbb2552a459e53a4fb314ec532413bff1923962853de97e4e19f6a4c3b9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128FC | 11016 bytes |
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