PDF malware analysis — malicious · c5d64b54fd9a18a8

MALICIOUS

PDF

73.5 KB Created: 2022-04-22 15:02:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-27

MD5: a275353651117a81c6648b9ac4d54a3d SHA-1: 2dbfe0bb862fc785660c0890bc0b754ea7b3b2b4 SHA-256: c5d64b54fd9a18a8c4ee7648fd4699d07f4ed646ec24a7a3625c692844967eb4

194 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9992

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://mifuj.co.za/YmrXLWy8?keyword=where%20to%20buy%20rainbow%20fish%20costume PDF link annotation
- https://jukuzowak.weebly.com/uploads/1/3/1/3/131379830/bb2c12c25c8.pdfIn PDF document text
- https://depuxibuf.weebly.com/uploads/1/3/4/7/134762413/cdd4a07d39.pdfIn PDF document text
- http://madiagranitosilano.it/userfiles/files/zegosibubegazubu.pdfIn PDF document text
- http://lse.hu/userfiles/file/fikapufadikoruvegaloga.pdfIn PDF document text
- https://bijuxoku.weebly.com/uploads/1/3/4/9/134901677/114aa152.pdfIn PDF document text
- https://vesepuzimimewij.weebly.com/uploads/1/3/0/7/130776402/a7b55cc.pdfIn PDF document text
- https://wegenagozej.weebly.com/uploads/1/3/5/3/135394478/f3651.pdfIn PDF document text
- https://faxojexus.weebly.com/uploads/1/4/1/2/141294628/xakikabodomazu-sozepeka-nejusetilemeti.pdfIn PDF document text
- https://ostrichtours.com/ckfinder/userfiles/files/kukafodakidivupebabagexuv.pdfIn PDF document text
- https://lasomuvexovip.weebly.com/uploads/1/3/0/8/130813571/64c69680eaea5e8.pdfIn PDF document text
- https://fibavizenimi.weebly.com/uploads/1/3/4/4/134485548/6078862.pdfIn PDF document text
- https://101doctor.com/uploads/ckfiles/files/6200b6d97cab7.pdfIn PDF document text
- http://boek.se/bilder_umeny/File/naveribosedejutegupineje.pdfIn PDF document text
- http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/komulexanawi.pdfIn PDF document text
- https://vinezizonevo.weebly.com/uploads/1/3/4/3/134320549/3fef2acc92983c5.pdfIn PDF document text
- https://foxuveguba.weebly.com/uploads/1/3/5/2/135297813/fe695a93b4c.pdfIn PDF document text
- https://viboot.traigiongthuha.com/ckfinder/userfiles/files/romixifabavuvu.pdfIn PDF document text
- https://ppic.net-line.pl/www/js/kcfinder/upload/files/movuni.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_off0000b90e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB90E	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000d120.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD120	17520 bytes
SHA-256: `cf32392019e396daffca8dd93003b6e1b0b5a56cdf717146026f16860e2838fb`
`font_02_sfnt_off0000ff49.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFF49	10988 bytes
SHA-256: `5afbc1af3cc5c381fa1474be21ccf6438dd188ac7ae3aaae3393b91c99724342`

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