MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as a PDF containing a link farm, with many URLs pointing to compromised WordPress sites and other domains. The ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0' strongly suggests a phishing or trojan distribution intent. The presence of numerous external links, some with UTM parameters, indicates an attempt to drive traffic or potentially lead users to malicious content.
Machine Learning
- Nyx PDF Classifier clean score 0.2479
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 http://atthaya.com/file_media/file_image/file/nugag.pdf In PDF document text
- http://npas.ru/pic/file/jijozilesilod.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609447fca092c---xedepowano.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/59404760433.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/391e301160ed84da74b9398d414c1f4c/44404812668.pdfIn PDF document text
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/4faed19823e9ad31797d5090be80746d/25986372000.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/1117aa548a903f0d3447b6be6ce61045/jodotomalirukapuviviwe.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/dd857a591f819e3bd4101adc0a5dbfbd/lakafukozitufebe.pdfIn PDF document text
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/b48ho2h1mms576e8tnr5fn8j8c/13631341486.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/5ba09e5cd0371421c9dc043ef4223bbf/27808499178.pdfIn PDF document text
- https://powermailer.in/userfiles/file/nirewezosexuke.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcbc53535b6---zibosubalazeku.pdfIn PDF document text
- https://open-call.fr/uploaded/files/25082570048.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/9b271323513a07c43aff7cd603ace1bb/bogimuketewaxaboteror.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160790ad6e6ec7---95565510892.pdfIn PDF document text
- https://mimpishiosatu.com/contents//files/84503942117.pdfIn PDF document text
- http://podlahypilat.cz/admin/file/12499178388.pdfIn PDF document text
- https://workinhotel.com/upload/fckfile/juzexowo.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/c344c3ecc96a68b0054c90b030e86e3d/48406308035.pdfIn PDF document text
- https://akvaguru.hu/user/file/fapaw.pdfIn PDF document text
- https://spacio.hk/attachment/file/fubamujobelezigobudom.pdfIn PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/mdpd3fvbhnt6df30dcf0fh85vu/vuxukireniwopuzixugelud.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/57296615287.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/naxagekofimevifaka.pdfIn PDF document text
- http://liddellgaryfamily.com/clients/863293/File/valorif.pdfIn PDF document text
- http://goddesshair.net/upload/users/files/44037276266.pdfIn PDF document text
- https://advik.net/userfiles/file/resufarubesebaxo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=reverse+directory+411PDF link annotation
- 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_off0000fd90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD90 | 16828 bytes |
SHA-256: 674c32cfe13d55352d4a71cc0bcb079a5cbe0cf8662f726a3da8d00fc2ddd96d |
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font_01_sfnt_off0001299c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1299C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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