MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, indicating a link farm designed to obscure the ultimate destination. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of these link farms suggests an attempt to lure users to malicious sites, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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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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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://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/df639021c0c9a203e59112decc6369f3/tibebenagulet.pdf In PDF document text
- http://liavanhaeringen.nl/userfiles/files/xizanobosutuvu.pdfIn PDF document text
- http://dd-eng.com/files/files/19984570087.pdfIn PDF document text
- https://maintogelonline.info/contents//files/napizudap.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/e6b739ce1d514ea5f69a7250906e757e/dikifibip.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2ce8e67d8---61933971171.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/vpp2183tk9b0dfpcb512sumfb3/49561838479.pdfIn PDF document text
- https://terlickodds.cz/www/www/fckphotos/file/52653530696.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/gilugigosokodesisiserima.pdfIn PDF document text
- http://mwflower.com/upimagesfile///46631750190.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b77a3fe3e23---gutale.pdfIn PDF document text
- https://fotovipvercelli.it/file/18623201663.pdfIn PDF document text
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/e6e98c784817ae7c322ad49bf059e96d/77236524092.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/gulutenijejixuguvele.pdfIn PDF document text
- https://estoniapools.com/contents//files/64513254125.pdfIn PDF document text
- http://littlepearlspublishing.in/data/eimages/file/89261109529.pdfIn PDF document text
- http://trickorsuite.com/clients/5/5d/5d84d12f6f4dfd10bbe5497c884a5f3e/File/gezevofo.pdfIn PDF document text
- http://clinicaveterinariagussago.com/userfiles/files/55415210349.pdfIn PDF document text
- http://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/67827177981.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=realidades+2+capitulo+2a+examen+2a+page+1+answersPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In 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_off00010f3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001274e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1274E | 19040 bytes |
SHA-256: 83184082b2b31c1ddddd4b8ed44329216b2334365fd01de3060048de8006beef |
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font_02_sfnt_off000157f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157F2 | 11364 bytes |
SHA-256: efecabc46dd92cdc30e743c45d7a5da0882ce22e39c407006e113e5458571ab4 |
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