PDF malware analysis — malicious · 2b61fb610e9ab821

MALICIOUS

PDF

75.0 KB Created: 2022-04-08 03:35:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17

MD5: 7b86a7330a3a93149595e2d992ad83c6 SHA-1: 849d1f29aa8c776ca4cb11ea4b78488de9536abc SHA-256: 2b61fb610e9ab821453a4fc2016e03d54eabe7f1be9acb738a6262d857a463d3

194 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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
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.
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://mifuj.co.za/YmrXLWy8?keyword=glanzer%20and%20cunitz%201966%20aim PDF link annotation
- https://dunopupusegujuz.weebly.com/uploads/1/3/4/3/134348927/jigefoj-mivilanefazaw.pdfIn PDF document text
- https://majojolug.weebly.com/uploads/1/3/4/5/134595566/setedakexazulipu.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2022-3-22/20220322162423490431.pdfIn PDF document text
- https://fibukumaguwin.weebly.com/uploads/1/3/4/7/134770434/7fc2127d6.pdfIn PDF document text
- https://vixeweno.weebly.com/uploads/1/3/6/0/136049701/7003789.pdfIn PDF document text
- https://jeriturutokabi.weebly.com/uploads/1/4/1/3/141303118/xawiboxejil_zogimo_tedibudipimoniz_sadawax.pdfIn PDF document text
- https://sunudufexune.weebly.com/uploads/1/3/0/8/130874439/34e83.pdfIn PDF document text
- https://tuxuboninivufos.weebly.com/uploads/1/3/4/4/134478209/1904098.pdfIn PDF document text
- https://badoguwogodunej.weebly.com/uploads/1/3/4/7/134713378/3ceb3.pdfIn PDF document text
- https://nonufovoda.weebly.com/uploads/1/3/0/7/130775853/nirew.pdfIn PDF document text
- http://thepducphat.com/upload/files/44721751902.pdfIn PDF document text
- https://fumozowafujazuv.weebly.com/uploads/1/3/5/3/135331302/2085287.pdfIn PDF document text
- http://drivescuolaguida.it/userfiles/files/dusajo.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/adb24a264cee8b0454b69c5876236af4/31276035457.pdfIn PDF document text
- https://lurabokeriwima.weebly.com/uploads/1/3/7/5/137511490/e7fa1a45.pdfIn PDF document text
- http://chronoflex-dz.com/app/webroot/assets/js/kcfinder/upload/files/67062932853.pdfIn PDF document text
- https://pepolugevukur.weebly.com/uploads/1/3/2/7/132740925/xibajarirazi.pdfIn PDF document text
- https://pezumebudoko.weebly.com/uploads/1/3/4/6/134681460/400840.pdfIn PDF document text
- http://patronusalapitvany.hu/public_html/upload/josifozepesaselavuves.pdfIn PDF document text
- https://jirorenuges.weebly.com/uploads/1/3/0/8/130874518/genin.pdfIn PDF document text
- https://shiksha24.com/userfiles/files/94626702036.pdfIn PDF document text
- http://recit-de-vie.fr/userfiles/file/dadobeg.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_off0000c108.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC108	16984 bytes
SHA-256: `e040e1dde2760e1945691de1b8b5f63cef9efb0604604cd9dbfbd3f16950b648`
`font_01_sfnt_off0000eda0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEDA0	10832 bytes
SHA-256: `3515644e7e9d6c7a20a86c427923bf2f05ca366403df13ccf96078f8b29caa64`
`font_02_sfnt_off00010695.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10695	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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