PDF malware analysis — malicious · aa869ed8d823cf4b

MALICIOUS

PDF

80.8 KB Created: 2022-04-06 03:18:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06

MD5: 79d440bb08c8111d1d9788d326cb2c19 SHA-1: 1cccf1b0c2ab0d0c04fe7c11d2cabdcb8c8e36df SHA-256: aa869ed8d823cf4b4b96976fc1a6f768e292f3ff171e17e06ebeb9bd1365177c

194 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9978

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.
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://podar.co.za/YmrXLWy8?keyword=what%20is%20validity%20of%20the%20instrument%20in%20research PDF link annotation
- https://datojulimiwijo.weebly.com/uploads/1/3/4/7/134708787/melojijezazof.pdfIn PDF document text
- https://nazaxefuv.weebly.com/uploads/1/3/4/5/134589683/gesigikaba.pdfIn PDF document text
- http://kenshopvn.com/uploads/files/pasajunefoberijutebij.pdfIn PDF document text
- https://rurawovupotoli.weebly.com/uploads/1/3/4/0/134017211/387022.pdfIn PDF document text
- https://jevakotimafunu.weebly.com/uploads/1/3/4/8/134878594/c2567040172cec0.pdfIn PDF document text
- https://rujajibagakolu.weebly.com/uploads/1/3/5/3/135303982/4186000.pdfIn PDF document text
- https://www.tiad-mtm.com/assets/admin/js/plugins/kcfinder/upload/files/nuruluxudukowuxituz.pdfIn PDF document text
- http://apgicl.com/public/files/assets/ckeditor/kcfinder/upload/files/89353673004.pdfIn PDF document text
- https://odlingfamily.com/userfiles/file/kifibekelogamago.pdfIn PDF document text
- http://livestocksaltlicks.com/ckeditor/kcfinder/upload/files/bibalutapobovaganejujewe.pdfIn PDF document text
- https://lepuzabokagat.weebly.com/uploads/1/3/4/3/134333079/3634998.pdfIn PDF document text
- http://zhansq.cn/upload/file/pelebifatukikefojazesale.pdfIn PDF document text
- https://napajudiweji.weebly.com/uploads/1/3/4/3/134316113/lekuzogenufat_nizawix.pdfIn PDF document text
- https://jaurrieta.net/USERFILES_JAURRIETA/files/verumasa.pdfIn PDF document text
- https://radutarogo.weebly.com/uploads/1/3/4/3/134379411/tutuj.pdfIn PDF document text
- https://pemolodubi.weebly.com/uploads/1/3/6/0/136052155/4323454.pdfIn PDF document text
- http://www.podunajsko.sk/app/webroot/ckeditor/kcfinder/upload/files/88689275197.pdfIn PDF document text
- http://desimlockage-telephone.fr/userfiles/file/rulakipefiriwenal.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/4e3cc84223598a3eb264ff670b3d2702/33113321480.pdfIn PDF document text
- https://jupogebus.weebly.com/uploads/1/4/1/2/141259722/964243.pdfIn PDF document text
- https://dewixazupeteti.weebly.com/uploads/1/3/1/4/131455636/694ed9e20d9b749.pdfIn PDF document text
- http://tks-forever.com/upload/2022/03/13/file/37106768302.pdfIn PDF document text
- https://rekizutor.weebly.com/uploads/1/3/0/9/130969391/pofiwavatevomol.pdfIn PDF document text
- https://jutineriru.weebly.com/uploads/1/3/4/8/134866815/tikozofisul.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_off0000d3d3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD3D3	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000ebe5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEBE5	17268 bytes
SHA-256: `ddd47380ab24c9226f0a4de7bdd0da4561290240ba1586d69f13c03e663b25a3`
`font_02_sfnt_off000118d5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x118D5	11016 bytes
SHA-256: `27635cd61c5d778c29dbfdaf1318516d427b8da9328c4427e9a460d1b45729af`

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