MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure itself does not contain executable scripts, but the embedded links are the primary attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/94073a0d66a85be38064a894e1f6c08b/rewemu.pdf In PDF document text
- https://ceral.pl/ceral/pliki/file/pitibe.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/4ca874b24bfd33e340a1a26115dd1924/sapagoxixupe.pdfIn PDF document text
- http://eichler-kammerer.de/89357287214.pdfIn PDF document text
- http://bajajsports.com/userfiles/file/68847270617.pdfIn PDF document text
- http://10glazsikeyrosa.ru/file/vazat.pdfIn PDF document text
- http://brlairport.com/images/file/pixuwunamu.pdfIn PDF document text
- http://moyamoya.center/images/hand_uploaded/files/tokig.pdfIn PDF document text
- http://aihyang.com/userfiles/file/zidawajolajosoxufaxuxijid.pdfIn PDF document text
- https://mandarinkinesiska.com/userfiles/file/91827091313.pdfIn PDF document text
- http://perfectionistpaintingnj.com/ckfinder/userfiles/files/74448667771.pdfIn PDF document text
- http://mosjob.ru/images/file/3541695654.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c3c2efc7ee2---xapajekixipek.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611bf15fe09c3---juwofir.pdfIn PDF document text
- http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210717081318.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16070846501673---41944013843.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/6132d46dcefc733226e6b85d66f181db/kifosajajiwaribasi.pdfIn PDF document text
- http://csc0731.com/userfiles/file/20210727053145_3xkb56.pdfIn PDF document text
- http://packturf.fr/files/vujagima.pdfIn PDF document text
- https://0900107678.com/upload/file/84018651370.pdfIn PDF document text
- http://fmi.lu/userfiles/files/52488163230.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/kimumebotujegem.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=universal+primary+education+in+nigeria+pdfPDF 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_off0000b13f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB13F | 11248 bytes |
SHA-256: 65ad398f89d6e9393d043c60482b02564780704fb870117177a880f51dc77bd3 |
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font_01_sfnt_off0000cb79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB79 | 15044 bytes |
SHA-256: 185e9110c227c5aff6fe99bfb331637d6bfcb8b76b233160f3043f9789d21ef9 |
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font_02_sfnt_off0000f15b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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