PDF malware analysis — malicious · cd70459a23e33515

MALICIOUS

PDF

84.4 KB Created: 2022-04-10 20:25:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19

MD5: a14d689b4853c88fc6a1d5a8d34f03ba SHA-1: 15b3921e0454e7e1e1814f485300c8c02447d9b6 SHA-256: cd70459a23e335158ae2908649356136414664ea4bbcc4cf2038192e1836b56d

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://yoyep.co.za/YmrXLWy8?keyword=hunter%20x%20core%20programming%20water%20days PDF link annotation
- https://fadesirowawilej.weebly.com/uploads/1/3/1/6/131606674/fogepulizasunoxulu.pdfIn PDF document text
- https://perfecthospital.net/FCKeditor/file/86735956679.pdfIn PDF document text
- http://salda.se/saldus/kcfinder/upload/files/winovobomuvefines.pdfIn PDF document text
- https://shevtsov-art.com/uploads/files/5101311425.pdfIn PDF document text
- http://stjohnslab.com/kcfinder/upload/files/33243251723.pdfIn PDF document text
- https://ladulokepalixu.weebly.com/uploads/1/3/4/8/134878898/33facad7a5b.pdfIn PDF document text
- https://kazerefe.weebly.com/uploads/1/3/1/0/131070627/f799562d343d4dd.pdfIn PDF document text
- http://rothemtour.com/FileData/ckfinder/files/20220316_314FA209198EB835.pdfIn PDF document text
- https://nunonugo.weebly.com/uploads/1/3/4/3/134309936/duvupejajegewuf_busuk.pdfIn PDF document text
- http://afksport.cz/upload/files/7219417817.pdfIn PDF document text
- https://dapiridefurewej.weebly.com/uploads/1/3/5/9/135987432/5544224.pdfIn PDF document text
- https://isped.cz/kcfinder/upload/files/48545022075.pdfIn PDF document text
- http://pusheng168.com/uploadfiles/20220402115114.pdfIn PDF document text
- http://nwmanagement.ru/generic/uploaded/file/64932307064.pdfIn PDF document text
- https://runufegoxow.weebly.com/uploads/1/3/5/3/135347372/jisujazaxevi-sedejonafob.pdfIn PDF document text
- https://sidaworulimizot.weebly.com/uploads/1/4/1/2/141289907/32e2041debc.pdfIn PDF document text
- http://private-dev.cliczone.fr/upload/userfiles/files/63052838054.pdfIn PDF document text
- https://drddvichitra.com/userfiles/file/dimaduxilatesijita.pdfIn PDF document text
- https://kuhniformat.ru/media-temp/img/uploads/files/42255578782.pdfIn PDF document text
- https://tizizuner.weebly.com/uploads/1/3/1/8/131872037/jezotamijul.pdfIn PDF document text
- https://ludefexidox.weebly.com/uploads/1/3/4/3/134344451/1259922.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_off0000e438.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE438	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000fc4f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFC4F	11204 bytes
SHA-256: `52894d7dd22150799de33f088918c32521187a865dadff7aae18d805f8fe3bae`
`font_02_sfnt_off00011663.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11663	17640 bytes
SHA-256: `d7bcac5aef08905710c44531229fe0713e6cded2f2e371cee2eeb4e48dec91e0`

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