PDF malware analysis — malicious · 0d378a17eefa378f

MALICIOUS

PDF

77.9 KB Created: 2022-04-17 12:53:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14

MD5: 4f99d92bae7e62f83a57790b22188713 SHA-1: 8eaa50b83797b52dbe155a093e31bcbfe139407d SHA-256: 0d378a17eefa378f0608a864c76f7b4895f16c84f19bedaf9fa9458127c6e52a

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9989

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=hieroglyphics%20alphabet%20printable%20sheet PDF link annotation
- http://pol2-simf.ru/userfiles/file/48808945384.pdfIn PDF document text
- https://tungafilm.com/dorceiys/ckfinder/userfiles/files/27448719234.pdfIn PDF document text
- http://longthinhphat.net/uploads/files/21955787117.pdfIn PDF document text
- https://xajakubadom.weebly.com/uploads/1/3/0/8/130874473/77434.pdfIn PDF document text
- https://foregizof.weebly.com/uploads/1/3/4/8/134890581/kafipigopimu_japalebodumaxeb_bifipe.pdfIn PDF document text
- http://centralgiving.com/media/userfiles/file/panilubidemabuze.pdfIn PDF document text
- http://protum.se/file/29635996357.pdfIn PDF document text
- http://ns2.constantcontinuity.com/membership/data/files/xofokufolafemodimetiginen.pdfIn PDF document text
- https://tapalezigoluv.weebly.com/uploads/1/3/4/3/134305255/2419613.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/binezamaxitamus.pdfIn PDF document text
- https://sinuvuliwazima.weebly.com/uploads/1/3/1/8/131871572/cef86e2.pdfIn PDF document text
- https://wowuleraregode.weebly.com/uploads/1/3/4/6/134690179/35fa0324bf5.pdfIn PDF document text
- https://zasufademebarav.weebly.com/uploads/1/3/4/7/134737005/7544142.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1624c18f881cbb---nukitojena.pdfIn PDF document text
- https://tiramanab.weebly.com/uploads/1/3/1/8/131856622/940541.pdfIn PDF document text
- https://musazulawikale.weebly.com/uploads/1/3/5/3/135305526/rejefofekawan.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16213f5a50635f---mozusuvaru.pdfIn PDF document text
- http://architettoannalisatinelli.it/userfiles/files/xunure.pdfIn PDF document text
- http://nanchiatw.com/userfiles/file/87355137447.pdfIn PDF document text
- https://senamevab.weebly.com/uploads/1/3/4/6/134689233/4311145.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_off0000cb77.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCB77	17400 bytes
SHA-256: `7b25354fbee1a3363a1f3a77a4387720e586815062901a1819fad49c8d4c66dc`
`font_01_sfnt_off0000f8e0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF8E0	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off000110f7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x110F7	10900 bytes
SHA-256: `6ca8b5128976ef4e36e29dcae676c3f1f647e20a397ba396d26764eab0946d43`

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