PDF malware analysis — malicious · 4e38e3b834663b74

MALICIOUS

PDF

72.4 KB Created: 2022-04-08 01:08:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19

MD5: b11ce9017a9501c4d8342f9528eac559 SHA-1: 9e581814789e03fd910f1d94b0abfac195aec23e SHA-256: 4e38e3b834663b74cefff7cb42a097fdf7aa4fd16d6398f01ec50cdd7ab4b07c

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9991

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://ragaz.co.za/YmrXLWy8?keyword=multiplying%20and%20dividing%20fractions%20games%20for%20the%20classroom PDF link annotation
- https://solugelefeko.weebly.com/uploads/1/3/0/7/130740562/583275bc43339ad.pdfIn PDF document text
- http://overnachteninorvelte.nl/bestanden/files/wuxavadofaxigopo.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161fc371e59750---ziragirizivi.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/zujejogovixa.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16224f70c12c03---guxujajosokuw.pdfIn PDF document text
- https://bitree.com/ckfinder/userfiles/files/48956400086.pdfIn PDF document text
- https://biaplan.hu/images/fck/files/daburifurekasugedazadijub.pdfIn PDF document text
- https://lebivituwaw.weebly.com/uploads/1/3/1/8/131856954/4102924.pdfIn PDF document text
- http://glearningsolutions.com/userfiles/files/wizinuro.pdfIn PDF document text
- https://woxunuvuta.weebly.com/uploads/1/3/5/3/135399678/vagomoduli_muwelusubaju.pdfIn PDF document text
- https://baduripafab.weebly.com/uploads/1/3/4/6/134623558/346033.pdfIn PDF document text
- http://regiapart.si/uporabnik/file/20468602766.pdfIn PDF document text
- http://t-p-fortune.com/userfiles/file/gusapujiwop.pdfIn PDF document text
- https://radojevujexoki.weebly.com/uploads/1/3/1/8/131871685/zijigegalaf.pdfIn PDF document text
- http://agro-pasz.pl/ckfinder/userfiles/files/76921228425.pdfIn PDF document text
- https://fatofexar.weebly.com/uploads/1/3/4/6/134687548/de5180e311cb17.pdfIn PDF document text
- https://gebuzikiko.weebly.com/uploads/1/3/5/4/135400935/nariruxav.pdfIn PDF document text
- http://elite-nails.pl/Upload/file/buxelosokabenovumiga.pdfIn PDF document text
- https://natuvowefuzun.weebly.com/uploads/1/3/4/5/134516005/9749063.pdfIn PDF document text
- https://kudoxere.weebly.com/uploads/1/3/4/5/134591480/befdcbaabb.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_off0000b539.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB539	11340 bytes
SHA-256: `3cf0e38d02d34c7f9c9e7925aee9aa47572d0a3ee505a2f66dd20fba2de2c51a`
`font_01_sfnt_off0000cf8a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCF8A	17008 bytes
SHA-256: `2864426c5dd2878379bcf8b234013391275d7cf4ca9ed3ed1bea312ea2563739`
`font_02_sfnt_off0000fbf6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFBF6	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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