MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of external links, many of which point to compromised WordPress sites and disposable hosting. This behavior is characteristic of a link farm designed to distribute malicious content or facilitate phishing attacks. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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 https://inwebjor.ru/uplcv?utm_term=relationship+trust+building+exercises PDF link annotation
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0e233a9fa---pagomete.pdfIn PDF document text
- http://xinyuemu.net/assets/202106/files/20210629071000567799.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/q5t2ttu5ihldrd58i8390b15r9/68424268796.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/e15c6151a950db3bcdddf606d37cba7b/bubusotejelatuzidiwafer.pdfIn PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a897234e3cb---xoripulatanitag.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6711893073.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/291f5c51beaefe8e3e505b666e87c037/36455850724.pdfIn PDF document text
- http://www.odnpoznan.pl/fotki/file/file/bovusoxow.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c4a9d90c7---biroxujunuxakafapujuboso.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160778ebdb0d0f---mefogenod.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706c2e07f24---bepipodaku.pdfIn PDF document text
- http://hitecds.com/userfiles/file/gisupafikalagevosi.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1b906803e---zaxenefube.pdfIn PDF document text
- http://hi-techfiber.com/userfiles/file/3797372515.pdfIn PDF document text
- https://aokman-drive.com/d/files/tiravamul.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/17465492056.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/e5ff849b5cb655769a83ab2ae4e88897/37588913161.pdfIn PDF document text
- http://atol-res.pl/uploads/file/79636442675.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/i8c9822s1q0d47fa5tnjgpfgs5/wasejojarimamokorixulu.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f65b51b0d---49049989127.pdfIn PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/ph4s34kh5kmkto3aobe8fugqf7/97865624159.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/73465680298.pdfIn PDF document text
- https://triosms.com/userfiles/file/79782912661.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a73d408ef9---pakadelidarifudaj.pdfIn PDF document text
- 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_off00011d73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D73 | 11180 bytes |
SHA-256: 988a503a7182bd5c926dd9578de771abc4757b417f2e48713233f2b2023accdf |
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font_01_sfnt_off00013717.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13717 | 16880 bytes |
SHA-256: d03c0a547ed3bbe51a774dd5a8bf9b6b0fd8b7a151cb85ea254ad84f1f51dacb |
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font_02_sfnt_off000162b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x162B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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