MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://bhk-aindling.com/userfiles/files/lawifodojetagamutaduji.pdf In PDF document text
- http://shethof.ch/cgi-bin/dynamisch/file/94393611648.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e88f20f7e---55633297869.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/95849131730.pdfIn PDF document text
- https://papersacksfactory.ae/images/bulk_images/files/piwufizafanemi.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/zuvipuxaf.pdfIn PDF document text
- https://astek-telem.fr/userfiles/file/wasufizogidafob.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/7bbvu71juj0hlr02ohcj5pd7qo/55830573113.pdfIn PDF document text
- http://whsclass1968.com/clients/f/f8/f849445bb2fb8f42e7c863050dc1ba38/File/74023146227.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/u0vvevc334tg6cq6fb2gik0a33/2432064651.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/zepojemirulezi.pdfIn PDF document text
- http://sirmamedia.com/ckfinder/userfiles/files/kowagolizefumogoguzaw.pdfIn PDF document text
- https://deltagroup.bg/uploads/file/94682160970.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086bfc4d78f2---mijawamirejimodegimop.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/geferupezepuva.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d4e567f57---99451778230.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/7r6etls4mssr7m59gr5ih9gl76/fokevipukojiborexe.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-5-7/20210507020725890775.pdfIn PDF document text
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2d8c8c57b---56597001726.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=eight+letter+words+beginning+with+ePDF 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_off0000eaad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102BF | 17672 bytes |
SHA-256: 2517c85bdd26fef2eead9b9e24bd9f60229831a04b7500ecb6b1f0cabc8cae8b |
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font_02_sfnt_off000130d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130D9 | 10576 bytes |
SHA-256: 9e05ac2acc0e46090648075072af11d3ff7a15720079395793215ea3c592d4d0 |
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