PDF malware analysis — malicious · af23802eb8204e90

MALICIOUS

PDF

81.5 KB Created: 2021-10-21 05:11:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21

MD5: 3dfef00d09e0ce83a384362fead536a5 SHA-1: 8aee3dd61a94c5053bb2c564c339be4ac53a5a29 SHA-256: af23802eb8204e90286b939182b684ef98492b422b31021b00a8da98fe7389a5

126 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9917

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 http://alda.pl/ckfinder/userfiles/files/tizobavagu.pdf In PDF document text
- https://littleitalypizzany.com/nbloom/fckuploads/file/30454437316.pdfIn PDF document text
- http://vinmexindia.com/uploads/bogel.pdfIn PDF document text
- http://misosmile.com/upload/editor/files/60888324971.pdfIn PDF document text
- https://mehreganimaging.com/images/upload/files/96813377000.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/pezosubafagamibozegad.pdfIn PDF document text
- http://citra.cl/userfiles/file/96503535652.pdfIn PDF document text
- https://newsale.linyn.mobi/upload/ckeditor/pages/files/4440672324.pdfIn PDF document text
- http://elite-nails.pl/Upload/file/41863354028.pdfIn PDF document text
- http://marsalanoleggio.it/userfiles/files/84276043132.pdfIn PDF document text
- http://beijingteye.com/upload/files/jikerik.pdfIn PDF document text
- https://strings97.hu/userfiles/file/7161617045.pdfIn PDF document text
- http://app0.linkeo.it/ckfinder/userfiles/files/bakoliwagaxuxabefexa.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/dumuxobeteleruz.pdfIn PDF document text
- http://metroboxservices.com/upload/ckimage/files/2465921720.pdfIn PDF document text
- http://bm-shower.com/userfiles/files/42961094231.pdfIn PDF document text
- http://lifecare4all.com/upload/files/28855414938.pdfIn PDF document text
- http://grandinhr.eu/images/user/file/8147532602.pdfIn PDF document text
- http://refah4ter.info/basefile/hotelrefah4terir/files/japunalulojoruragiwobuw.pdfIn PDF document text
- https://tselectromechanical.com/uploads/CKfiles/files/zidekabozosok.pdfIn PDF document text
- https://luxm.pl/userfiles/file/pugukutegibafatigib.pdfIn PDF document text
- http://janaturismointegrato.com/uploads/file/kudadodekakulazunu.pdfIn PDF document text
- https://dorfadvertising.com/ckfinder/userfiles/files/10338987964.pdfIn PDF document text
- http://gesundezellen.com/neu/userfiles/file/69362996667.pdfIn PDF document text
- http://stigstudiotecnico.it/userfiles/files/leramokumijakifiza.pdfIn PDF document text
- https://austarpharma.com/upload/files/94387498464.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/u-9XGpgKpwY/uplcv?utm_term=pdf+to+excel+converter+all+pages+in+one+sheetPDF 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_off0000d963.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD963	17548 bytes
SHA-256: `5f979e409eaefa443c293a7a6527d7e1657389005fafcb713aa0982730f9ca29`
`font_01_sfnt_off0001067d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1067D	11068 bytes
SHA-256: `3cca24c45d99add3c615d7c8af873e008078898644b4427e7212ec1810fec938`
`font_02_sfnt_off0001200d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1200D	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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