MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised or disposable hosting sites. These links likely serve to redirect users to phishing pages or download further malicious content, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://kemenyseprosiklos.hu/upload/file/27416401779.pdf In PDF document text
- http://ansing.nl/userfiles/file/63426816868.pdfIn PDF document text
- http://melly-incendie.fr/img_db/61121512830.pdfIn PDF document text
- http://absigorta.com/E/file/In PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/dfd0eed2bcc8064462db2804c272e1d6/7609199018.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20210508114430.pdfIn PDF document text
- http://alphanaturehk.com/userfiles/file/66234438161.pdfIn PDF document text
- https://adikkedua.com/contents//files/kenofof.pdfIn PDF document text
- https://apsco.ly/userfiles/files/velagemitokisitomuteg.pdfIn PDF document text
- https://damiel.eu/userfiles/file/gonikipopumiluz.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/mufokije.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871bb240452---75728097862.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d2f508c6a---xilonejudap.pdfIn PDF document text
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/22545857619.pdfIn PDF document text
- http://bijverhoeven.nl/uploads/files/levirojilojedibazidowoz.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/4cdb2219b68a41deea36979a1abc65c8/bupuwufiwuvire.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160ae55d45fdc0---69834436682.pdfIn PDF document text
- http://soncongnghiepjotun.com/media/ftp/file/mowujonurilozukugewakadet.pdfIn PDF document text
- http://chamdure.com/DATA/files/vebezibexutose.pdfIn PDF document text
- http://monroehighwildcats.com/clients/40160/File/28139745124.pdfIn PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/9cd1b137380ec8d02b0028b455bda3fd/25103163244.pdfIn PDF document text
- https://samowar.me/upload/file/sibekenovexefi.pdfIn PDF document text
- https://viboot.traigiongthuha.com/ckfinder/userfiles/files/nuxipe.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bce7d161495---79452980447.pdfIn PDF document text
- http://brilliantsolarpaneling.com/userfiles/file/wezorupemekut.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=2009+dodge+journey+service+manual+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_off0000c60a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC60A | 11588 bytes |
SHA-256: d755762b8ad47d3206ace2b7a7e662a64c59b491df27f07abe403b772e2ed964 |
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font_01_sfnt_off0000e15c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE15C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f96e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF96E | 17668 bytes |
SHA-256: ca21a5832bf696b975aa3271c6e69e459023541ae8313a432e36ed103a517df2 |
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