MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of links pointing to compromised WordPress upload directories and other disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV detected this file as a phishing trojan, and the ML classifier strongly agreed. The embedded URLs are the primary indicators of compromise, suggesting a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://parentini.it/userfiles/files/tusirarubozib.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c465600aaff---12908274932.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc95d256fe---89233977374.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/81d59481fea37bbc7b128cc3b39d109b/vitujenizowoged.pdf
- https://gea99.com/ckfinder/userfiles/files/nekujelame.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/5dae9d10b28986716b62652788da0e00/bezip.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a812105fc7---xomenozatowosexikuru.pdf
- http://georgekoldun.com/var/upload/file/sezezetamezojuje.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794f7c11147---bafewoxuw.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608a90bfa2cd8---dinubotejarimodulose.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/1nc63744e8nljm8lhpo3kiflq1/45219818592.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/2767894b09a40a62f3349cb8d6feec27/fadazaruwaruvinuvenadaxoj.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/5132d0eaca6b935b5bac8fa712d60166/2787153885.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4e7b39693---4498400648.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/1508349a53cf077f418b3a867b6ce8c1/gokufamatumuveletof.pdf
- https://systematix.pl/userfiles/file/logagowad.pdf
- http://jakebenmd.com/clients/0/0e/0eef9d569b11303d075d19626cc6f958/File/59426036609.pdf
- https://binarbaidtrading.com/public_html/userfiles/file/giroginaxiwederijufipex.pdf
- https://fotobolfestmeny.hu/mvc/userfiles/file/65189480222.pdf
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/23569ea6ba67a8d065465661e9f3a620/10815043822.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/c0f814c70c528e4e516b64810c1c9c94/tejawudidamu.pdf
- http://refpecsbelvaros.hu/kepek/files/xexilufezujitegupo.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/84121f35b838688b77c1f0b122920caa/40260880243.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=labels+on+google+maps
- 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_off0000f57c.bin7b1e4d46effab755ef389803b298abcc122bdc7438eca6bbc6e88f21055521e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57C | 16612 bytes |
font_01_sfnt_off000120f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120F6 | 16792 bytes |
font_02_sfnt_off0001390d.bina3c6ff98588abdf8f6c6838ce6442f97db6280670e3b208dfb4fbc7f4690e54d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1390D | 10400 bytes |
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