PDF malware analysis — malicious · 4787a1b6525a4eeb

MALICIOUS

PDF

73.9 KB Created: 2022-04-12 15:40:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20

MD5: 4b6d5d41bee33c03de354cd24db8759e SHA-1: fbf1aa68d0033b65d9fbe028f63bc415349d6516 SHA-256: 4787a1b6525a4eeb608915aec8f39ceb7d55fc6fa85d1779b359c2c4506e6d60

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9965

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 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.
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://mifuj.co.za/YmrXLWy8?keyword=fierce%20conversations%20training%20materials PDF link annotation
- https://teniroge.weebly.com/uploads/1/3/4/6/134693228/leveresanutabaf_gixepowizu.pdfIn PDF document text
- https://zuwojutiraz.weebly.com/uploads/1/3/4/7/134729165/xitez.pdfIn PDF document text
- https://osiindia.org/ckfinder/userfiles/files/tajefibisibopimidemopenej.pdfIn PDF document text
- http://berbun.com/user_img/file/vamugufutopox.pdfIn PDF document text
- https://kawanmto.org/contents/files/wigugodo.pdfIn PDF document text
- https://xurarasetar.weebly.com/uploads/1/3/4/0/134096945/ribik.pdfIn PDF document text
- http://agecarekorea.com/ckupload/files/39202087520.pdfIn PDF document text
- https://peguduzivinaw.weebly.com/uploads/1/3/1/6/131606374/talivavafagisixexew.pdfIn PDF document text
- http://immobilieninvestors.de/userfiles/file/2738972325.pdfIn PDF document text
- https://fiduwovizeget.weebly.com/uploads/1/3/4/5/134517619/4525385.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/161fb9e36d8cbe---26910773149.pdfIn PDF document text
- https://dunopupusegujuz.weebly.com/uploads/1/3/4/3/134348927/zidakoxajegowur.pdfIn PDF document text
- https://renesens21.com/ressources/upload/files/13939081289.pdfIn PDF document text
- https://lupawepenotude.weebly.com/uploads/1/3/1/6/131606523/7727154.pdfIn PDF document text
- https://pupalizote.weebly.com/uploads/1/3/4/7/134716330/9a924a.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/3cdu4nmg6tunlmu3aspgeau247/28587481375.pdfIn PDF document text
- https://netafipagugid.weebly.com/uploads/1/3/0/8/130814009/vatenuz-wijarivakuvu.pdfIn PDF document text
- https://nudiwosesi.weebly.com/uploads/1/3/4/3/134317077/797315.pdfIn PDF document text
- https://niwapedikevamag.weebly.com/uploads/1/3/4/6/134691434/5461602.pdfIn PDF document text
- https://mokadipubozot.weebly.com/uploads/1/3/2/3/132303064/2aec9eef75d33f6.pdfIn PDF document text
- https://fiwibafufo.weebly.com/uploads/1/3/0/7/130774969/dibizemogo.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_off0000bcfa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBCFA	17320 bytes
SHA-256: `2d57043282439e3a20afb678c8c959e4027477a2fdf22f23cc76f4050e27b3d4`
`font_01_sfnt_off0000ea34.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEA34	10616 bytes
SHA-256: `97247988a6707895145445365dc48513aadf75479aa1d0b5365cb4687b3a6907`
`font_02_sfnt_off00010282.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10282	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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