MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious. It contains embedded JavaScript and a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to redirect users to malicious content or download further payloads. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. The document body is heavily obfuscated and unreadable.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed63b81404---82276461677.pdf In PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/7329e6b228abfcf91060a8aa1db93826/denixigu.pdfIn PDF document text
- https://divinesacredshakti.com/wp-content/plugins/super-forms/uploads/php/files/c18bd78bd94ab81a1b6fa3ad9361b311/59880885190.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/5mkc94tmuk5dqkcnpu3uvmllc7/tolofefizowural.pdfIn PDF document text
- http://sistersaviopublicschool.com/userfiles/file/59342748450.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/gamelapovetem.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16083bee06d4e0---sizareketizodoturuwawi.pdfIn PDF document text
- https://kalitelivideoizle.com/resimler/files/nemolebogogimopotofixixa.pdfIn PDF document text
- https://ctapigroup3.com/contents//files/72991123857.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609019dc580f2---92695516667.pdfIn PDF document text
- https://angkoronetour.com/userfiles/file/78705161039.pdfIn PDF document text
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/lisosufoxubelotexujinovuz.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/27e7761e299d4a93b00d4f82202c3704/18290680888.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/sumifuzobuvewi.pdfIn PDF document text
- https://commonwealthsportsawards.com/userfiles/file/62348794643.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/19428993082.pdfIn PDF document text
- http://metallpress.ru/files/xusobosoziniwujanavidob.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/4fab0e811a725967f72f56d8d5e161ba/pamokebelujivajabiromi.pdfIn PDF document text
- http://namlongprojects.com/images/uploads/files/rizolorazagewamefudotu.pdfIn PDF document text
- http://amadpich.com/userfiles/file/kanakupujuli.pdfIn PDF document text
- http://luluscafeonline.com/uploads/files/22735210510.pdfIn PDF document text
- http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/31117049233.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/8e3b881e8bf5b5686d3d9e49f8192978/gukuvufixusuduzaxo.pdfIn PDF document text
- http://tanabuauto.com/js/upload/files/zomux.pdfIn PDF document text
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/26eb7ee29d862c8329101d88869e429c/nenakileda.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=claire+king+coronation+streetPDF 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_off0000f3c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010bd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BD9 | 17168 bytes |
SHA-256: b3518b2cd4171f87bbace5e1a021164af1071a312e086b38c6c688d1eedf6f93 |
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font_02_sfnt_off0001389d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1389D | 10528 bytes |
SHA-256: 67e7cc5c0cf66ae3a6ca723662bcbdf35076004bedb0f9d2702872dff564dac3 |
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