PDF malware analysis — malicious · 94155b986c370e6f

MALICIOUS

PDF

71.7 KB Created: 2022-03-29 17:03:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12

MD5: f597877afd7e1a430e30290dc6671f9d SHA-1: 28517dfff5cce367526fc08795aef9b9706cba8f SHA-256: 94155b986c370e6fa7f03e71211f8b46b7fef8f62d0d4037cdb53f64cf7194fe

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9991

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://norin.co.za/YmrXLWy8?keyword=metallica%20nothing%20else%20matters%20solo%20tab%20acoustic PDF link annotation
- https://duzozerijadid.weebly.com/uploads/1/3/4/4/134493401/9685643.pdfIn PDF document text
- https://www.tahreek-a-khatmenabuwat.com/assets/ajs/kcfinder/upload/files/romubevojawu.pdfIn PDF document text
- https://yun2u.com/upload/files/vojosagaxavamojo.pdfIn PDF document text
- https://www.scmribadeave.pt/sgc/Assets/Plugins/CKEditor/kcfinder/Uploads/files/92739477985.pdfIn PDF document text
- https://burkina-businessschool.com/business_school/uploads/file/8209236836.pdfIn PDF document text
- https://nada70.org/userfiles/file/lapelajufipurap.pdfIn PDF document text
- https://zulevoto.weebly.com/uploads/1/3/2/6/132696122/2866763.pdfIn PDF document text
- https://fumaletaseker.weebly.com/uploads/1/3/1/3/131381433/3670932.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16206a7609a4f9---tiguzetizepewelenigo.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623365d09db41---xixirixetabo.pdfIn PDF document text
- http://deleersnijder-bocaege.be/images/file/46105177243.pdfIn PDF document text
- http://bephoangdung.vn/uploads/ckfinder/files/81441052325.pdfIn PDF document text
- http://klemanpince.hu/files/file/25029074347.pdfIn PDF document text
- https://zuzunavodezap.weebly.com/uploads/1/3/0/7/130776081/1774817.pdfIn PDF document text
- http://klavierunterricht-bergedorf.de/files/files/fepiperuwuvu.pdfIn PDF document text
- http://sake-tori.com/images/library/File/90054672097.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/162389f828d26e---fusuxeboxin.pdfIn PDF document text
- https://wopuwidutava.weebly.com/uploads/1/3/5/3/135322166/nozuni.pdfIn PDF document text
- https://xiwaxodo.weebly.com/uploads/1/3/4/3/134319271/jalagoj.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/efb228e1aeb0f39ff5fc2e8fe1d760f5/gugisovafilomumagagaxezet.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_off0000b270.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB270	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`
`font_01_sfnt_off0000c90f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC90F	17788 bytes
SHA-256: `3b644eb953d5a8be8c3ce726a5d4ff1b4eed7c4aadb3fd92355d900b4295d014`
`font_02_sfnt_off0000f800.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF800	10912 bytes
SHA-256: `ad7ac34a30b52119314b1ac3e7330c6d08f54d27aefd8890c7e87988835562ca`

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