MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by ClamAV with a 'Pdf.Phishing.Trojan' signature. Static analysis revealed numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the PDF structure indicate an attempt to disguise malicious activity as a legitimate document, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4123
Heuristics 5
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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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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://cructi.ru/uplcv?utm_term=volume+and+surface+area+of+sphere+pdf PDF link annotation
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/fscdnjf0pmb5di933qhmbr9qd2/zedufoguvenofibuvi.pdfIn PDF document text
- http://nuovojob.com/userfiles/files/74497785183.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//norofifulaputupu.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e54095beb---51824052202.pdfIn PDF document text
- http://kepco-group.com/uploaded_files/userfiles/files/43876157072.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114511fa8fe2---goxidimawulomo.pdfIn PDF document text
- https://zohopin.com/calisma2/files/uploads/14585612614.pdfIn PDF document text
- https://propactionvehiclesuk.tv/userfiles/files/pewidinilabizag.pdfIn PDF document text
- http://dorapeyzaj.com/userfiles/file/lavabafu.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756983a7cba---tisadelibibijugasurilo.pdfIn PDF document text
- http://dwhs79.com/clients/15834/File/boniganetapoxujejosusuzeb.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1611c8415004eb---42860150518.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c868c6c57a7---duxudomilezibitunajudej.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a990dd1180b---94713852126.pdfIn PDF document text
- https://alteanetworks.fr/img/file/nosipus.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160bc117ac64a7---13910717968.pdfIn PDF document text
- http://cestovni-postylka.eu/userfiles/file/95767253977.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/gnk3snkk64l8om953br8nebgus/punoj.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/50435932240.pdfIn PDF document text
- https://windfreeklima.com/upload/ckfinder/files/jisanikesilugufurinimelu.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/sutetofu.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16080c9eb96207---86555422070.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/lesav.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/pokaxigesujedados.pdfIn PDF document text
- https://aquaprosmart.com/userfiles/files/65061610804.pdfIn PDF document text
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/gakevumopuwisabobedib.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C8 | 10764 bytes |
SHA-256: 2a17ed2606b888b2cc9bcdf4214df8238c7d41b3050caac0a4d5b621298a349c |
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font_01_sfnt_off0001005a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1005A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001186c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1186C | 18548 bytes |
SHA-256: 5da8d5f6b8b381840375db661ee91f50631e6d529624a20e942b34f8caa26d2d |
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