PDF malware analysis — malicious · c5dd0bc1b67193db

MALICIOUS

PDF

69.9 KB Created: 2021-09-28 18:55:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-27

MD5: 5a4107b49c192b451dce2de3eaf347db SHA-1: 888657f832481ef2f3c0ea00e52fe78020f99843 SHA-256: c5dd0bc1b67193db7e3caf002430a6a9d4347be56e9009197e219bc0e6e02189

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9986

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://huntic.ru/uplcv?utm_term=battery+saving+app+download PDF link annotation
- http://vikingpaint.com/user_file/file/javivanojuvepuve.pdfIn PDF document text
- https://turismopontevedra.com/ckfinder/userfiles/files/jefesoweg.pdfIn PDF document text
- http://www.enfersalus.com/ckfinder/userfiles/files/60973503383.pdfIn PDF document text
- http://dietgame.net/admin/fckeditor/data/file/20210922030133.pdfIn PDF document text
- http://jmdfhjl.com/fckeditor/userimages/file/7143349277.pdfIn PDF document text
- http://zabradli-znerezu.cz/userfiles/file/lademonidogowe.pdfIn PDF document text
- http://nepodoshlo.kz/ckfinder/userfiles/files/nemusama.pdfIn PDF document text
- http://bongoes62.dk/userfiles/file/32231939746.pdfIn PDF document text
- http://proallprint.com/userfiles/files/35113355942.pdfIn PDF document text
- https://pointwebhost.com/calisma2/files/uploads/dozolopiriwel.pdfIn PDF document text
- http://vikingpaint.com/user_file/file/24197895934.pdfIn PDF document text
- http://sportingfoundation.com/uploads/file/94709025196.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143990e6b0a0---2030977611.pdfIn PDF document text
- http://rotarycochinharbour.org/ci/userfiles/files/71985252168.pdfIn PDF document text
- http://thermogroup.ru/uploads/files/94965500103.pdfIn PDF document text
- http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/684050123.pdfIn PDF document text
- http://robvancampen.nl/userfiles/file/zuvetawejag.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/c8a1c169ec47c6c16f40bbbbafd69c5d/70590334585.pdfIn PDF document text
- https://cezartravel.hu/userfiles/file/rabasedivato.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad5884328c---sukerokezem.pdfIn PDF document text
- https://foundationkuzmanov.com/files/39730571303.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_off0000af8a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAF8A	10888 bytes
SHA-256: `f56e8b1247d85d3579934f2c93dac5fe7468c2aecc5299e4418ce34e6dd057f7`
`font_01_sfnt_off0000c8ba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC8BA	16416 bytes
SHA-256: `2f456b2bfe0201aa574d4d5f65479ab8a9157afdfa40635ddbd3b5055b68bbe7`
`font_02_sfnt_off0000f1f7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF1F7	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

Open this report in the interactive analyzer, or submit your own file for analysis.