PDF malware analysis — malicious · 4e3942d838cf32b1

MALICIOUS

PDF

67.6 KB Created: 2022-04-11 18:42:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19

MD5: c1050ae9c290e0cfc41764080afd6702 SHA-1: 8c53b4c0acb7467c53f8bea2fac4235f8261d3c1 SHA-256: 4e3942d838cf32b1af96587a11a5e0a18e1bdf7a9f4eabfa06e65d9f4749213a

216 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9987

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
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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://fecuq.co.za/YmrXLWy8?keyword=les%20mis%20film%20trailer PDF link annotation
- https://totixibepetuter.weebly.com/uploads/1/3/4/3/134345693/jijunajepabebew.pdfIn PDF document text
- http://elegancegioielli.it/upload/userfiles/files/lijazizute.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/a12ec7f12e12543636136e939d1330f4/8131748322.pdfIn PDF document text
- https://kekipunoze.weebly.com/uploads/1/3/4/6/134601808/237820.pdfIn PDF document text
- https://wivaxuzavegisi.weebly.com/uploads/1/3/4/7/134769578/c2cf5f2.pdfIn PDF document text
- https://bigakajufejala.weebly.com/uploads/1/3/4/2/134265656/9855281.pdfIn PDF document text
- https://jin-ji.com/upload/files/pokusadoxubixerowodaledub.pdfIn PDF document text
- https://xugilatopuke.weebly.com/uploads/1/3/4/7/134746985/kerovijav-pufofirikedan.pdfIn PDF document text
- https://kuxijixa.weebly.com/uploads/1/3/4/8/134856984/gavaxe.pdfIn PDF document text
- https://mizujaketoki.weebly.com/uploads/1/3/0/7/130776151/masatusitupa.pdfIn PDF document text
- https://xovodozavaso.weebly.com/uploads/1/3/1/0/131069890/vodowirimero_bipewukebibika_vesuxiti.pdfIn PDF document text
- https://agito.wb35.org/sites/default/files/user/file/nuxabonumasinemarixeku.pdfIn PDF document text
- https://zoxawilasewowi.weebly.com/uploads/1/3/0/9/130969521/numajaxonepiledifow.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1624e225b31ecc---nokido.pdfIn PDF document text
- https://dibatavuxod.weebly.com/uploads/1/3/0/7/130775672/fejopavozigugepobiwa.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/egt8veqb474efqotlhpsikiefc/sinubakijilezesa.pdfIn PDF document text
- https://weingut-suppan.at/files/92236484157.pdfIn PDF document text
- http://clingac.es/d/files/51959962354.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_off0000a7e8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA7E8	10108 bytes
SHA-256: `1f27b4db87070378d460c3b6740b9fedf13f77501aa864b6f8860681a07f34f7`
`font_01_sfnt_off0000be6d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBE6D	16892 bytes
SHA-256: `1a54d02910c0d554910c6fdcc541d3068a1feeb4e220c15d3f6da22334bac49f`
`font_02_sfnt_off0000e952.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE952	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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