PDF malware analysis — malicious · 72b618231e9b496b

MALICIOUS

PDF

85.7 KB Created: 2022-05-02 09:12:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28

MD5: c4dea6a84c0ea739d21e4d1310f08e07 SHA-1: a4a20ca6ccebd69e3f9fd8ea0b4ecfaa9b7751c4 SHA-256: 72b618231e9b496b9365b582b753150dfa0b3bb2db79ec0649b0837e89a0f71f

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9995

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://loheb.co.za/YmrXLWy8?keyword=mozilla%20firefox%2047%20portable PDF link annotation
- https://papekukikaduli.weebly.com/uploads/1/3/4/3/134361343/digudasi_zetubazag.pdfIn PDF document text
- http://trevelci.ru/ckfinder/userfiles/files/bebufoxose.pdfIn PDF document text
- https://nojonepidafajik.weebly.com/uploads/1/3/0/7/130775859/zuzorasotama.pdfIn PDF document text
- https://vonefemupeme.weebly.com/uploads/1/3/5/9/135957005/tajanutupidufufoxub.pdfIn PDF document text
- https://munibejexa.weebly.com/uploads/1/3/1/4/131414516/polamadife-pawid.pdfIn PDF document text
- https://sakligundem.net/dosyalar/File/larebanetodogufafijuz.pdfIn PDF document text
- https://apgicl.com/public/files/assets/ckeditor/kcfinder/upload/files/5349268423.pdfIn PDF document text
- https://tipureroxagojox.weebly.com/uploads/1/3/6/0/136096040/5900220.pdfIn PDF document text
- https://kpardubice.cz/upload/files/kogoxegitekoguz.pdfIn PDF document text
- https://magajasomit.weebly.com/uploads/1/3/5/3/135388043/cbb41496e2.pdfIn PDF document text
- http://leeharringtonhomes.com/userfiles/file/lomaziwuzejiwufus.pdfIn PDF document text
- http://www.mmalappeenranta.com/tiedostot/files/miwigixere.pdfIn PDF document text
- https://vutajavegev.weebly.com/uploads/1/3/4/0/134040502/982831.pdfIn PDF document text
- https://welawebunigekuk.weebly.com/uploads/1/3/4/7/134713971/8510971a1846.pdfIn PDF document text
- https://dorewedekubur.weebly.com/uploads/1/3/4/7/134721360/87d357541bd.pdfIn PDF document text
- https://nufawufaza.weebly.com/uploads/1/3/0/7/130740177/jawuke.pdfIn PDF document text
- https://xajavixakopus.weebly.com/uploads/1/3/4/8/134898113/rewubik.pdfIn PDF document text
- https://oancora.com/ckfinder/files/67880691665.pdfIn PDF document text
- https://bunuterujizid.weebly.com/uploads/1/3/4/8/134882333/favipevokata_dewudaw.pdfIn PDF document text
- https://fu-ko-property-agency.com/webroot/editor-uploads/files/62984203937.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_off0000e92c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE92C	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0001013e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1013E	17844 bytes
SHA-256: `87acb9a0452393f1a5d61f17ded92b14da787367f076292ea6a1f15c31435bc3`
`font_02_sfnt_off00013095.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13095	10500 bytes
SHA-256: `2dc0d7d0599411352061502ff83fc9f2115abbe0507e547ddc17cb7bb0359a9c`

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