PDF malware analysis — malicious · 2b666f9ca8af4d7d

MALICIOUS

PDF

80.7 KB Created: 2022-03-31 01:36:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17

MD5: 66f7c38797bb1284e4876f328d7b6029 SHA-1: bdb542a14bba274b4b31fc130a59719bb9f7f7e7 SHA-256: 2b666f9ca8af4d7d0457f5b612a8f44411310643d63e991ee72f6ba8c2e75523

194 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9955

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://fecuq.co.za/YmrXLWy8?keyword=mr%20coffee%20iced%20coffee%20maker%20not%20working PDF link annotation
- http://ssmsuits.com/kcfinder/upload/files/mawimexavo.pdfIn PDF document text
- http://pro-elec.ru/ckfinder/userfiles/files/tebaduravolaruxonidane.pdfIn PDF document text
- https://mipadabu.weebly.com/uploads/1/3/4/7/134751654/xipikutu.pdfIn PDF document text
- http://gorre-paysage.fr/ckeditor/kcfinder/upload/files/75621730370.pdfIn PDF document text
- https://kasikijafeke.weebly.com/uploads/1/3/1/4/131406722/862c69e0a01bca1.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1620952b3e7c8b---zivabesufixiravelimapuno.pdfIn PDF document text
- https://wuwifure.weebly.com/uploads/1/3/4/6/134647121/vorixanofabikim.pdfIn PDF document text
- https://pixasowurixes.weebly.com/uploads/1/3/4/9/134904492/197a73a610763b.pdfIn PDF document text
- https://dotifusogibosu.weebly.com/uploads/1/3/4/4/134458831/lijene-maraze-buniburavit.pdfIn PDF document text
- https://jumomemokipus.weebly.com/uploads/1/3/0/8/130874307/fufupowutofekujavo.pdfIn PDF document text
- http://hanmih.com/userfiles/file/20220327162643.pdfIn PDF document text
- https://mirexoxufi.weebly.com/uploads/1/3/0/9/130969656/46fbf88.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16226ca0725b96---wemupasiwegopixemetotup.pdfIn PDF document text
- https://lobakazuperowe.weebly.com/uploads/1/3/4/3/134352895/4634284.pdfIn PDF document text
- https://jewelilug.weebly.com/uploads/1/3/4/3/134331877/xomavuwuki-nevojijom.pdfIn PDF document text
- http://www.barbantie.com.br/admin/plugins/ckeditor/kcfinder/upload/files/ludomorovekox.pdfIn PDF document text
- https://larustt.com/upload/ckfinder/files/81251546788.pdfIn PDF document text
- http://specel.kz/app/webroot/js/kcfinder/upload/files/95118745940.pdfIn PDF document text
- https://zutetovidum.weebly.com/uploads/1/3/4/4/134463402/8541586.pdfIn PDF document text
- https://bopovajo.weebly.com/uploads/1/3/5/9/135966354/5881687.pdfIn PDF document text
- http://tantex.org/tantex/tantexuserfiles/file/21177311874.pdfIn PDF document text
- https://wulonuvesiga.weebly.com/uploads/1/3/4/3/134362584/eff277de3780.pdfIn PDF document text
- https://sekekipozikevaw.weebly.com/uploads/1/3/3/9/133997985/b04ed.pdfIn PDF document text
- https://rezemofojo.weebly.com/uploads/1/3/5/3/135321986/xejegifeg.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_off0000d8c3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD8C3	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`
`font_01_sfnt_off0000ef67.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEF67	10776 bytes
SHA-256: `e6cdcbbc40ea0ffe007e20bb85dc41187baee3eb94913f00beb5e9a7e3db4676`
`font_02_sfnt_off00010810.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10810	17492 bytes
SHA-256: `1432cb2ae115830854f45a7a70fb974733c85574ec8eb859affb590b3c3662df`

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