PDF malware analysis — malicious · 2b6e32b1e475f41b

MALICIOUS

PDF

70.0 KB Created: 2021-10-01 06:04:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17

MD5: 33bea21d45aad0a6b39bc71d7d238805 SHA-1: 30a96450e6f2770808e1c9f01db82814683ca89e SHA-256: 2b6e32b1e475f41b912dee4d335852deb69dc73a17723b0861d45992da069c46

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9916

Heuristics 6

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.
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://www.mediawerf.nl/bundles/store24backoffice/ckfinder/userfiles/files/lerifupopipugunusadeputif.pdf In PDF document text
- https://malayalamfoundation.org/admin/my_files/file/xanodoban.pdfIn PDF document text
- http://bulmarconsult.com/files/96880652236.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5622d7264---62223673046.pdfIn PDF document text
- http://ipost.mn/ckfinder/userfiles/files/rirutivukoxijawazuwowapez.pdfIn PDF document text
- https://ilo.tasksplan.com/userfiles/files/92368231468.pdfIn PDF document text
- https://paysecure.ro/ckfinder/userfiles/files/doxubin.pdfIn PDF document text
- https://loyd.rs/images/file/30933741110.pdfIn PDF document text
- http://cloverdiamond.com/file/labefukawinavada.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/dd84af838fe0e6466f129b14c08d1daf/10567471530.pdfIn PDF document text
- http://baihsad.com/userfiles/files/20210919_150323.pdfIn PDF document text
- https://mayersoffice.com/userfiles/file/pejodozon.pdfIn PDF document text
- http://instit.ac/ckfinder/userfiles/files/37879017541.pdfIn PDF document text
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/37251372774.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/41643871636.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/12448206125.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614361edbc8af---rideriwirizutamolo.pdfIn PDF document text
- http://animationcoach.com/userfiles/file/8416488707.pdfIn PDF document text
- http://zjleiou.com/images/upload/File/pejine.pdfIn PDF document text
- https://frisch.ro/files/file/57425718850.pdfIn PDF document text
- https://chambres-lannion.fr/userfiles/file/9181114503.pdfIn PDF document text
- http://ubytovani-budejovice.cz/picture/vtextu/file/govezapuwomubagavisazatez.pdfIn PDF document text
- http://stavclearing.ru/upload/files/jevadusunez.pdfIn PDF document text
- https://aarhuskortet.dk/images/file/31888936055.pdfIn PDF document text
- http://www.salpasafarit.fi/tiedostot/files/52346714136.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=gta+5+fan+made+apk+downloadPDF link annotation
- https://mediaget.com/userfiles/files/80979648861.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_off0000b4f3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB4F3	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000cd05.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCD05	14612 bytes
SHA-256: `8fa1fa5f47dfd4a0e74c6d30360f4874e2d43a2041139bf0476ae12eaaf14e4d`
`font_02_sfnt_off0000f189.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF189	10652 bytes
SHA-256: `67dacc03df8f47f78fabf493dbb8a63bb500a725cb2fe7bd53c3b899c4c17192`

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