PDF malware analysis — malicious · 4784108bd01a4e43

MALICIOUS

PDF

75.4 KB Created: 2021-09-06 17:57:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20

MD5: 3320335e9e3a089ac76ef38eb232662f SHA-1: 5d4d025990c42f3efd363648855ce7bfab1d6c81 SHA-256: 4784108bd01a4e43f42e3040a1a671dcfaaacebebd67369ea7a6edcaf183202f

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9963

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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.
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://garglob.ru/uplcv?utm_term=levoit+lv600hh+hybrid+ultrasonic+humidifier+manual PDF link annotation
- https://myphi.biz/nbloom/fckuploads/file/porirolafesojegorexa.pdfIn PDF document text
- https://yomadesign.com/userfiles/Proj_Name//files/54989785274.pdfIn PDF document text
- https://alirezamirmohammadi.com/images/upload/files/14944241209.pdfIn PDF document text
- https://ski-experience-japan.com/images/blog//file/18130401383.pdfIn PDF document text
- https://bettyloupaints.com/userfiles/files/20964030122.pdfIn PDF document text
- https://ceral.pl/ceral/pliki/file/57013292887.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca25c2d0b1---53572209124.pdfIn PDF document text
- http://chiari-web.com/ckfinder/optimist/files/panetufokizigiruvimasa.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6bb58edf5---16484818551.pdfIn PDF document text
- https://dm288.com/slicice/file/pimesaxezadobosigaga.pdfIn PDF document text
- http://alacartedesign.de/userfiles/file/38003779210.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/wurusomi.pdfIn PDF document text
- http://industrialdevices.in/uploads/58590937035.pdfIn PDF document text
- https://c-effeimmobiliare.it/file/wutopexul.pdfIn PDF document text
- http://gdfsztal.com//uploadfile/files/16123085761.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/82450247677.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baba5029646---tepetokepalaninijoziwe.pdfIn PDF document text
- http://stoewebdesign.no/userfiles/file/46017039899.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/miforatelutewawom.pdfIn PDF document text
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/976920c3360363dc1682f9ef820079db/52667739200.pdfIn PDF document text
- https://obermeyer-modemarkt.de/upload/file/59729942624.pdfIn PDF document text
- http://buffagiuseppeinfissi.com/userfiles/files/likujes.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_off0000bf13.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBF13	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000d725.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD725	17768 bytes
SHA-256: `792215435cd03f127dafaeea3993ee197914e3cef69a50e003724d427bfde97c`
`font_02_sfnt_off00010562.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10562	11408 bytes
SHA-256: `42a1aecb9726f3c84184912d17b76ee5e6d6736f6cae9236111093b84115d99d`

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