PDF malware analysis — malicious · 4e39edaecf4802f8

MALICIOUS

PDF

76.6 KB Created: 2022-04-04 20:05:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19

MD5: cf2d3a7d1c102422358a004e4a65a28d SHA-1: 5b7617c49ac534b784ecc04bc3ab9e7a1de0bac3 SHA-256: 4e39edaecf4802f83a9f0c7411e921ddcabc966983026939ae3dc92201c73216

214 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9976

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
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
MFA / one-time-code harvesting lure high SE_MFA_LURE

Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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://fecuq.co.za/YmrXLWy8?keyword=network%20security%20key%20on%20router%20spectrum PDF link annotation
- https://futurefacesnyc.com/uploads/file/23962523369.pdfIn PDF document text
- http://ipsaix.com/ckeditor/ckfinder/userfiles/files/32928104800.pdfIn PDF document text
- https://vanopatabef.weebly.com/uploads/1/3/1/4/131407067/7a80360b661.pdfIn PDF document text
- https://rekinijibir.weebly.com/uploads/1/3/2/3/132302710/sowofisadawipolad.pdfIn PDF document text
- http://doicoffee.co.jp/js/kcfinder/upload/files/85021945677.pdfIn PDF document text
- https://receptabc.hu/images_banner/files/rovirelulabepegilibozuv.pdfIn PDF document text
- https://bahubalionlinebook.com/ci/userfiles/files/bibasijevaboxab.pdfIn PDF document text
- https://linhancomvn.xelinhan.vn/userfiles/file/mogerewafube.pdfIn PDF document text
- https://jechrina.gr/FCKeditor/userimages/file/15935849060.pdfIn PDF document text
- https://zulozagadome.weebly.com/uploads/1/3/4/3/134318764/kibugofufuwusoz.pdfIn PDF document text
- https://bumitulag.weebly.com/uploads/1/3/2/6/132681993/737e03cda16fa.pdfIn PDF document text
- https://sivojazexokir.weebly.com/uploads/1/3/4/5/134587079/1164548.pdfIn PDF document text
- https://nogexumojadug.weebly.com/uploads/1/3/4/2/134235638/3cac206.pdfIn PDF document text
- https://paixaodecristopi.cinemadossertoes.com/kcfinder/files/8149636985.pdfIn PDF document text
- https://berker-rozetki.su/kcfinder/upload/files/28739741622.pdfIn PDF document text
- http://ckud.handysociality.com/upload/files/rokawareliragiboxisa.pdfIn PDF document text
- https://promenade-perpignan.com/userfiles/file/kawifu.pdfIn PDF document text
- http://peoplefoster.com/pliki/wiwibogefuwunex.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624167b45d54f---38909843077.pdfIn PDF document text
- http://9jamail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/paferonuxoruwof.pdfIn PDF document text
- https://makiriaszto.hu/ckfinder/userfiles/files/buriwitolefoxomenozadifik.pdfIn PDF document text
- https://nezumise.weebly.com/uploads/1/3/4/2/134265586/wurunafumarile.pdfIn PDF document text
- https://www.scrs.in/kcfinder/upload/files/54045775160.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_off0000c783.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC783	17052 bytes
SHA-256: `d2e36d7cfb3421d901249b0a873a7694526c04f24d87acc84f4f7390822f5dcf`
`font_01_sfnt_off0000f3e7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF3E7	10696 bytes
SHA-256: `61b59bd1227179f12ca10e385c1a75f344ce2fcda2fd8abe131467210c4d9d34`
`font_02_sfnt_off00010c96.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10C96	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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