PDF malware analysis — malicious · 425ae165ce2daa98

MALICIOUS

PDF

71.5 KB Created: 2021-10-02 17:49:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15

MD5: 6692910023349ccad4e732ba4b409c1f SHA-1: 59c7125b2bce6bcfcc4b80d6b0dfa0f20a79084f SHA-256: 425ae165ce2daa98d58cd4f6658bbf0f83a649f8b2380692cc0df29abddb90d5

126 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9975

Heuristics 5

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 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://by-express.com/upfiles/editor/files/4377154280.pdf In PDF document text
- http://kamkmori.cz/ckfinder/userfiles/files/29604627771.pdfIn PDF document text
- http://babywagen24.de/userfiles/file/17932891419.pdfIn PDF document text
- http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/pivovusovi.pdfIn PDF document text
- https://giorgiosantinelli.it/file/jifamatuj.pdfIn PDF document text
- http://homeshopeez.com/uploaded_files/userfiles/files/sopajomefijimoje.pdfIn PDF document text
- http://coumert.com/images/file/85839106990.pdfIn PDF document text
- http://alles-vom-schreiner.de/userfiles/file/lofanabutavil.pdfIn PDF document text
- https://biographiewerkstatt-singer.de/userfiles/file/9497965737.pdfIn PDF document text
- http://kleni.cz/userfiles/file/79880720882.pdfIn PDF document text
- http://www.bluefashion.cz/ckfinder/userfiles/files/dobuxazosuweranuzenod.pdfIn PDF document text
- http://exclusivelimoservice.com/ckfinder/userfiles/files/98557745185.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/sagopebakurejam.pdfIn PDF document text
- http://abpjseah.news-read.com/upload/files/tixuxez.pdfIn PDF document text
- http://cnpair.com/userfiles/file/30295087772.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16157043291bc1---46045229350.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/wefukuxolowara.pdfIn PDF document text
- https://e-motorcycle.tw/upload/emotorcycle/files/11881602665.pdfIn PDF document text
- https://lajovisena.com/gallery/file/fubasosijim.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/08b3c5d57ca9129874a18ac153d50c32/zawugojejawepan.pdfIn PDF document text
- http://shtaket46.ru/page_edit/_samples/userfiles/files/finom.pdfIn PDF document text
- http://www.kymkarajok.net/tiedostot/files/jasepanunuxikobenov.pdfIn PDF document text
- https://cape-electronics.com/media/file/64553196573.pdfIn PDF document text
- https://twinscooking.nl/twins/userfiles/file/44243388115.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=pitbull+chihuahua+mix+puppies+for+salePDF link annotation
- 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_off0000b392.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB392	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000cba9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCBA9	10984 bytes
SHA-256: `2228b445d76ddc35fdd6c746764ca2cd6c69282ce0b37c10ac00edec3eda8f6e`
`font_02_sfnt_off0000e4fa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE4FA	16396 bytes
SHA-256: `a2aeaa5f45d51bfa2365ae3219bc97eae3d17631d5f805e428035256dcf0e85d`

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