MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a PDF containing a link farm, with multiple heuristics indicating its nature as a compromised upload storage or disposable hosting. The ClamAV detection further confirms its malicious classification as a phishing trojan. The embedded URLs, while some are marked benign, contribute to the overall pattern of directing users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3776
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://gtshotel.it/images/file/69888386022.pdf In PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607acc7a52da5---87295837419.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/05f092662c98e2bb967e40d78536dac1/87342336714.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160acd4fd20e4c---82263084683.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1d2b93292---vemodozenoxojubunavufo.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/cc5479101abc00ec7ef863f74b836c32/lifomapomuwote.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/ssr0hbk3cdhsqd05pa56o8lfq5/9572055540.pdfIn PDF document text
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/xatogudole.pdfIn PDF document text
- http://chelseacarpet.com/ckfinder/userfiles/uploads/7128715673.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/92462811fa9ad30c949bd12fe6b956cc/kupoxowutam.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160804ef2bc5b9---67155319938.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4da95bdd8---buketira.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/0c7da6ba37de259f4421f3637ead766e/zibuwowisovovez.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160853f7742ee1---zesexuvikozifiludi.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16091c12bd3f90---xemotezotivetizu.pdfIn PDF document text
- http://gerocuki.hu/user/file/66766103519.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/vd9vvpbus09f91475556b7ls52/zewunidaravuz.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d6954048bc3---gowapuzuwipesapo.pdfIn PDF document text
- http://treeoflifetolfu.com/clients/0/07/07f122ebb3396bb3f917f2e62af81596/File/3983947069.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/11ad423675aea09ed2f0ba742922d6f5/gudoguf.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607576bdf01e0---kalimugomiko.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/c61d6e2e3eca88e5be15df45f39c61ed/wijexesusu.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b77453d1ceb---97010154341.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701b3eb1f0f---92953485979.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=mod+apk+candy+crush+unlimited+goldPDF 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_off0000f1a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A3 | 24952 bytes |
SHA-256: 01a360940d61cd7498b9e80985f7a3cc47ab5f2524571c7c9b63d2824afcca4f |
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font_01_sfnt_off00012778.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12778 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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