PDF malware analysis — malicious · 5d8c7077aa05875e

MALICIOUS

PDF

84.4 KB Created: 2022-02-09 01:59:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18

MD5: b1cf4a3ce7ca831643c6dc2557eeef65 SHA-1: 1d2122ebc35b63643680c3850540327d0c786f5a SHA-256: 5d8c7077aa05875ea73e433b4663585650617588edc326becd27e894f5cd8c3c

164 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9861

Heuristics 7

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF 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.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://loheb.co.za/XSRYdR1H?utm_term=look+up+child+piano+sheet+music PDF link annotation
- https://coffotea.com/uploads/files/202108260423399534.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/komezidov.pdfIn PDF document text
- http://fairfresh.net/assets/admin/ckeditorimage/files/zuxaxibumawodavanij.pdfIn PDF document text
- http://chinahongji.com/d/files/11733412984.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160e953d1eb1de---pogiwudepevoralututodu.pdfIn PDF document text
- https://syteq-pro.com/userfiles/file/74843364462.pdfIn PDF document text
- http://icltindia.in/userfiles/file/nedewatowejiwubufakoz.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/16099602639.pdfIn PDF document text
- https://ripedesign.com/app/webroot/files/fckeditor/file/14004360778.pdfIn PDF document text
- http://cnkls.com/userfiles/file/1636834730.pdfIn PDF document text
- http://iktoktatas.hu/files/file/67823444735.pdfIn PDF document text
- https://luckysurface.itweald.com/uploads/files/61ec39c447dd5.pdfIn PDF document text
- http://xahscw.com/userfiles/file/40816660961.pdfIn PDF document text
- http://rlmlaw.com/images/edit_images/file/virekebis.pdfIn PDF document text
- http://balone.net/_upload/file///pumamelititesobeturamimiz.pdfIn PDF document text
- https://volgogradexpo.ru/ckfinder/userfiles/files/26971595910.pdfIn PDF document text
- http://anapro.com/ckfinder/userfiles/files/jonotunedokadefurimifot.pdfIn PDF document text
- http://xn--h1acbpobggs.xn--p1ai/data/files/90160576008.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f1d1d7ca593---93727828817.pdfIn PDF document text
- http://yepuco.com/uploads/files/judijisonelalig.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/78b96b212903c2372ebe7f650bc05826/dopepafasuxebis.pdfIn PDF document text
- https://dehayemek.net/upload/ckfinder/files/jetogadiwurova.pdfIn PDF document text
- https://gencatakan.com/upload/file/manuxarojujisutusizobef.pdfIn PDF document text
- http://www.asbea.org.br/assets/plugins/kcfinder/upload/files/65887198328.pdfIn PDF document text
- https://milliondollardesiclub.com/upload_files/featured/files/74316630769.pdfIn PDF document text
- https://denis-lefebvre-services.com/fichiers/file/nukuditabagexemivelorena.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/s3vo3pa5db21fs9qs4pbt5mlur/rofugafobew.pdfIn PDF document text
- http://steinbach.casawell.tw/userfiles/file/93991383953.pdfIn PDF document text
- http://xn----htbccnijgu6o.xn--p1ai/kcfinder/upload/files/13980009681.pdfIn PDF document text
- http://pantanalmsnews.com.br/ckfinder/userfiles/files/fitedoronamoz.pdfIn PDF document text
- https://catbasailing.com/upload/fck/file/zafowudukagorabizefuz.pdfIn PDF document text
- http://neogmbh.de/www/sites/default/files/userfiles/file/68777644167.pdfIn PDF document text
- https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/kumofu.pdfIn PDF document text
- http://old.bgk-meshkova.com/ckeditor/ckfinder/userfiles/files/10873435971.pdfIn PDF document text
- http://feuerwehrobrigheim.de/upload/files/87369623001.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/233990oqnvfbt3978snd573ulu/batukuxavunilope.pdfIn PDF document text
- http://seed-hongkong.com/uploads/file/20464282726.pdfIn PDF document text
- http://nhasachthunam.com/upload/files/parozegez.pdfIn PDF document text
- http://hondasushi.com/uploads/files/durolevavenotad.pdfIn PDF document text
- http://mybed.tw/uploads/files/202110281353055903.pdfIn PDF document text
- http://sbsedupatti.com/sbsedupatti/userfiles/file/puvuravivixubepifapoz.pdfIn PDF document text
- http://upsshop.ru/ckfinder/userfiles/files/59521297427.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
+1 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000df02.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDF02	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_01_sfnt_off0000f622.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF622	10828 bytes
SHA-256: `af25e3116f447ca0c7301f8cc5ae704d9f22ec07c9cee332520de415ed9b0c8c`
`font_02_sfnt_off00010ef0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10EF0	19384 bytes
SHA-256: `e82ea17a28f9635d17579c0225ac72902bb74c0a7f0f237427ab9b8d917a8975`

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