PDF malware analysis — malicious · 19187c18a2dc83ea

MALICIOUS

PDF

82.3 KB Created: 2022-04-24 17:33:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22

MD5: 6ff07fb3e71fe9a30df4f11523821d53 SHA-1: 4bfc76ed6049db03acc178d7dee5dcc5ae154f4c SHA-256: 19187c18a2dc83ea3f78dbe6018cc22f2607154193ae26ee960482418a6246e4

134 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9981

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
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://yoyep.co.za/YmrXLWy8?keyword=crat%20greek%20root%20words%20examples PDF link annotation
- https://genebametujo.weebly.com/uploads/1/3/4/9/134904617/2045661.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/vagazofafirigatake.pdfIn PDF document text
- http://www.evisiontiendaonline.com/ckfinder/userfiles/files/depukugebo.pdfIn PDF document text
- https://bubizepanawip.weebly.com/uploads/1/3/4/4/134480996/4618980.pdfIn PDF document text
- http://hodinovysoused.cz/upload/file/54741993538.pdfIn PDF document text
- https://liguecasa.mmsfoot.com/stock/file/lojinojujosaro.pdfIn PDF document text
- http://coming-c.com/userfiles/file/3330826060.pdfIn PDF document text
- http://bygreenpure.com/userfiles/file/zagibopigupanonasejis.pdfIn PDF document text
- http://cyuanmei.com/userfiles/file/88313102381.pdfIn PDF document text
- https://0pmf48qk3-kl4.com/contents/files/72216118545.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/11547303088.pdfIn PDF document text
- https://vopozurizezeta.weebly.com/uploads/1/3/4/0/134012331/9c79339ba.pdfIn PDF document text
- http://peneleos.pl/userfiles/file/foridu.pdfIn PDF document text
- http://www.velkoobchod-man.eu/ckfinder/userfiles/files/digiguvezomuva.pdfIn PDF document text
- https://xuberirerumona.weebly.com/uploads/1/3/4/5/134586272/3962463.pdfIn PDF document text
- http://pachinko-seminar.com/sites/default/files/file/81177978833.pdfIn PDF document text
- http://htbestcomputer.com/media/ftp/file/bobuzixelewuvubofep.pdfIn PDF document text
- https://kentacademymiango.com/userfiles/file/jovusumimemi.pdfIn PDF document text
- http://lexnovum.pl/js/kcfinder/upload/files/duxugoxol.pdfIn PDF document text
- https://riginujer.weebly.com/uploads/1/3/2/6/132695799/dajovopaka_basezigazavut_jixirexekarudix.pdfIn PDF document text
- https://poornasreehomeoclinic.com/ckfinder/userfiles/files/97475818955.pdfIn PDF document text
- https://buvefejam.weebly.com/uploads/1/3/1/4/131453018/mefikamido-zipewal-fubukugetafuruk.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_off0000d9b0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD9B0	18128 bytes
SHA-256: `30c8d8aab497efa0cb0c66ee288a2ba31b20aded6bf8fbc01e1769f806ee45c1`
`font_01_sfnt_off000108d4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x108D4	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off000120eb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x120EB	10848 bytes
SHA-256: `c6789b9cd78139fa5cdc79cdeb1998d3768d8dd38de514336a9f3c396ae5deb5`

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