MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and compromised CMS upload links indicates an attempt to distribute or host malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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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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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=who+wrote+the+book+of+obadiah+in+the+bible PDF link annotation
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1db06c5f8---xamerariraj.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d991cdb230a---49669362468.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16076233e28913---vupotapawaragopavojofi.pdfIn PDF document text
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/fc0479693a00cbd18883a8e3f6038fb8/84757969108.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce7111baa0---gepugizibidifedinudij.pdfIn PDF document text
- http://belst.by/upload/file/64203937642.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160e5170f84845---vabixukapojepodipaxe.pdfIn PDF document text
- http://www.ujepites.hu/userfiles/files/51347903145.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df4ca8440c---5985589511.pdfIn PDF document text
- https://stijsr.com/userfiles/file/foduzonawifowakuz.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/73186073510.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/rumevajenigobadenumitaso.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c26b9e898---24103914173.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607604112e6aa---moniva.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/7f18a8cccbe1eba07b645f01eae862ba/92504082782.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/44b318986e44740ec1955c0ebc65a1c7/34894514167.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/ek0bpvnctd216o3dih9pa9fd7o/27982506417.pdfIn PDF document text
- https://coluer.ir/documents/file/nesonutup.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/88103764952.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607411ce2f208---51778148166.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd8720fecd---bodivebonawazep.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/19086788715.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/dojimu.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_off0000f66e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF66E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010e85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E85 | 10592 bytes |
SHA-256: 4d4d656db117e9601a98ab3f49f4a9f3e4b93d47dd2971124ff7f87bfcefbcd1 |
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font_02_sfnt_off000126a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126A5 | 16536 bytes |
SHA-256: bb4e4799b54eb57eb3c81509cf61b85f51f96391448d7e39c58329f4b23172b9 |
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