PDF malware analysis — malicious · aa896566947d9d2e

MALICIOUS

PDF

81.3 KB Created: 2022-04-12 10:48:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06

MD5: e598cd5f0bd7824bcc71ab47439bd6e4 SHA-1: 7e0605b0ed12bbb2fa01005f22f66f103cd280de SHA-256: aa896566947d9d2e66f95ed9bb369b68dcc7f42a4e531ea2dfa452b57b1393ac

234 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9985

Heuristics 8

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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://lazav.co.za/YmrXLWy8?keyword=how%20to%20use%20john%20the%20ripper%20password%20cracker PDF link annotation
- https://towimoni.weebly.com/uploads/1/3/4/3/134340956/fc6863767.pdfIn PDF document text
- http://hulstcustoms.ru/uploads/files/ruwiferovomo.pdfIn PDF document text
- https://dozumudokasalog.weebly.com/uploads/1/3/4/9/134902229/ca7cf3.pdfIn PDF document text
- https://dekekutema.weebly.com/uploads/1/3/4/4/134440935/16f0cd3e.pdfIn PDF document text
- https://joxorarosod.weebly.com/uploads/1/3/3/9/133999743/5687232.pdfIn PDF document text
- http://bioengenharia.com.br/public/libs/kcfinder/upload/files/zezaridabibeki.pdfIn PDF document text
- https://ssp.by/var/upload/devuvexasebonuwikuvowume.pdfIn PDF document text
- http://amanetauto.eu/kcfinder/upload/files/274312219.pdfIn PDF document text
- https://christavedelaar.nl/bestanden/files/2339365613.pdfIn PDF document text
- http://hatdesechia.com/storage/ckfinder/files/61109827338.pdfIn PDF document text
- http://skolka.pencin.cz/soubory/file/giguseruxojorudofofo.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/5c1efa971cb561d308fd458d950ca17c/84346865582.pdfIn PDF document text
- https://wuxivebumuvarog.weebly.com/uploads/1/3/1/0/131070366/voluxibanowal-bizebew-vunemutaxeremo.pdfIn PDF document text
- https://medtek.vn/storage/file/boxekejina.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/85115080f3220d8bd8aa8d3f7dfd5735/madikupamilufojudoz.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/85303729367.pdfIn PDF document text
- http://xn----dtbhwhggdaoqfh3d.xn--p1ai/media/file/17896950348.pdfIn PDF document text
- https://staffinghub.complifly.com/ckeditor/kcfinder/upload/files/58470417125.pdfIn PDF document text
- https://betisifi.weebly.com/uploads/1/3/1/4/131438474/nuvuferokobefom.pdfIn PDF document text
- https://liwigudujonaj.weebly.com/uploads/1/3/5/3/135383521/milovij.pdfIn PDF document text
- https://levivododusot.weebly.com/uploads/1/3/4/3/134307397/juxir.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_off0000d83d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD83D	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000f04f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF04F	17584 bytes
SHA-256: `44d6b909bd15111a9b02815204e6b286df3f076ccd7952b944afc21c1e36e446`
`font_02_sfnt_off00011e72.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11E72	10964 bytes
SHA-256: `99fbfa3998ee042820a10e5cc8501fe7897c692b361bd063260149a6cae6d3cf`

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