MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file contains a link farm pointing to numerous external URLs, many of which are hosted on compromised WordPress sites or disposable domains. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggests a malicious intent, likely to trick users into visiting these sites for phishing or to download further malware. The presence of multiple distinct hosts and the use of UTM parameters indicate a coordinated effort to distribute malicious content.
Machine Learning
- Nyx PDF Classifier clean score 0.1073
Heuristics 5
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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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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://synerhu.ru/uplcv?utm_term=mosby+nbde+part+2+pdf PDF link annotation
- https://firsatoyun.com/calisma2/files/uploads/45116186066.pdfIn PDF document text
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/53478439794.pdfIn PDF document text
- http://goodwynva.com/clients/d/de/de91e19d235d8a3764238851c6b73f99/File/82482613108.pdfIn PDF document text
- http://neogmbh.de/www/sites/default/files/userfiles/file/4623145523.pdfIn PDF document text
- https://eetravel.net/file/dolexaritugum.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/r0pda8irptg1pa583tk3bkkd22/sonunuz.pdfIn PDF document text
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/473c05622e3f303683ee19a6cb402f60/fupegajakutifosizapebo.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f946943b581---xoziwoli.pdfIn PDF document text
- http://gemculture.com/userfiles/file/6174186777.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607524d5e58ec---disuloxe.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160807a74d0b75---xudilakimadujujovosim.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/8ec901844fce4cff5a4ef5e4d8972165/73173346248.pdfIn PDF document text
- http://ags-sib.ru/ckfinder/userfiles/files/7809132695.pdfIn PDF document text
- https://boucherienabli.com/uploads/FCK_files/file/94640421374.pdfIn PDF document text
- https://hosvagyok.hu/userfiles/file/28558552624.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a33ccc0e3f8---50329697111.pdfIn PDF document text
- http://techmechengineers.com/uploads/98039912199.pdfIn PDF document text
- https://mzr-avocats.com/buddha/ckfinder/userfiles/files/baxuxavakezavomisu.pdfIn PDF document text
- http://ankamet.com/userfiles/file/romisusifuzezijutejek.pdfIn PDF document text
- https://aspirans.com/files/file/25226879309.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/30c38046507c6c83fbf5ef0c3d78feca/57863403468.pdfIn PDF document text
- https://siam-royal-view.ru/data/files/levijosutonasutobupejed.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc2ca0f8d1---79423348288.pdfIn PDF document text
- https://baobihungphu.com/media/ftp/file/puzorutemezodebakawu.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612c5c089d316---81743095145.pdfIn PDF document text
- http://tonystelly.com/clients/873487/File/39210566907.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/nefisafezurix.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000163ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x163AE | 10720 bytes |
SHA-256: a50793b5f9e835ea22705e96bdab6c36ef5501eb216fcd8ff57c152f0a129e3c |
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font_01_sfnt_off00017c5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C5D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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