PDF malware analysis — malicious · 2b63fc385ac40b64

MALICIOUS

PDF

300.8 KB Created: 2022-02-23 15:58:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17

MD5: f7979e955497e10cec9bd0b75033c0f0 SHA-1: 0f94e3a5c5ed7c67764be5c0b961b6286d945c43 SHA-256: 2b63fc385ac40b647cc62195981b051ac36869dc598a546bf709eb298f42a2f5

174 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.6973

Heuristics 7

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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/XSRYdR1H?utm_term=black+desert+online+remastered+pc PDF link annotation
- https://3zslitomysl.cz/admin/editor/kcfinder/upload/files/82784088621.pdfIn PDF document text
- http://www.stsmcc.org/www/js/ckfinder/userfiles/files/sexadefexi.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/xebisa.pdfIn PDF document text
- https://storycycle.com/ckfinder/userfiles/files/66527839046.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/22589b66e080442e48cf70c157ab2b5f/41986215296.pdfIn PDF document text
- http://ersenergy.com/UserFiles/file/36742589422.pdfIn PDF document text
- https://premium-house.uz/images/file/rutopasafufakinidawe.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/f5878ddb249d0910691184d2994b7aa8/nuzuxuto.pdfIn PDF document text
- https://sangolongphuong.vn/longphuong/news/files/10641861674.pdfIn PDF document text
- http://delmepatlatma.org.tr/kcfinder/upload/files/musajanijumorukuver.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/77306564078.pdfIn PDF document text
- http://world-green-hope.com/uploads/files/46988593025.pdfIn PDF document text
- http://hotechike.com/files/files/77438594715.pdfIn PDF document text
- http://proxima-design.cz/files/file/777294329.pdfIn PDF document text
- http://rbtyutj01.com/userfiles/files/xebokonajatubefagil.pdfIn PDF document text
- http://dental-forum.ru/userfiles/file/19327673333.pdfIn PDF document text
- https://www.meditech.cz/ckfinder/userfiles/files/11018851063.pdfIn PDF document text
- https://gifarlcm.com/upfiles/editor/files/buwisigejile.pdfIn PDF document text
- http://kleinschadenexperte.de/userfiles/file/11534285405.pdfIn PDF document text
- http://friulanamarmi.it/images/file/sufufolij.pdfIn PDF document text
- https://elpollopaulino.com/cenavarra_userfiles/files/befuruz.pdfIn PDF document text
- http://prospekt-rostov.ru/ckfinder/userfiles/files/xebewumagoxaneged.pdfIn PDF document text
- http://www.galiantsolutions.com/emailimages/file/batumekovaxejazaxev.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/161b278b929a9b---20448928144.pdfIn PDF document text
- https://fundacionamigosdelmarcaribe.ong/ckfinder/userfiles/files/xefobojogalewex.pdfIn PDF document text
- http://severstroysnab.ru/userfiles/file/26629956166.pdfIn PDF document text
- http://zhjpharm.com/upload/files/mifusubodepeg.pdfIn PDF document text
- https://hotnews.md/upload/userfiles/files/gipavonadopatemojerojuwo.pdfIn PDF document text
- http://tzoetemondje.be/uploads/files/34373790675.pdfIn PDF document text
- http://igs.compcierge-asia.com/ckfinder/userfiles/files/89423474360.pdfIn PDF document text
- http://residencecarlofelice.com/userfiles/files/35674421425.pdfIn PDF document text
- https://ringid.vn/ckfinder/userfiles/files/fasogejurunasatava.pdfIn PDF document text
- http://wideanglepackaging.com/ckfinder/userfiles/files/vozojazomuxudavutabizikug.pdfIn PDF document text
- http://egyptlance.com/userfiles/file/47803595716.pdfIn PDF document text
- https://miminku1.com/contents/files/saduvubelapeferetilizavus.pdfIn PDF document text
- https://irrisyst.eu/files/file/95646043687.pdfIn PDF document text
- https://www.transportesoro.com.co/admin/plugins/ckeditor/kcfinder/upload/files/nurenemuletul.pdfIn PDF document text
- http://yonseri.org/userfiles/files/vonudunuv.pdfIn PDF document text
- http://fincasotilloviejo.es/files/sotillo/_repo/file/nibutafa.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_off0004432b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4432B	18416 bytes
SHA-256: `664b06e04676efa2369dd630b686094935e8e116279e8e696b56fa09ea9941c0`
`font_01_sfnt_off00047341.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x47341	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_02_sfnt_off00048a61.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x48A61	10820 bytes
SHA-256: `ca01cc6226c3d8f615b272d075fbe22b9e982a51ae594e226b580732ac3d8de6`

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