PDF malware analysis — malicious · 2b673ab8c2564ad0

MALICIOUS

PDF

69.6 KB Created: 2022-04-16 14:55:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17

MD5: 9710eb73448fa7c706cdb29520afa514 SHA-1: becd6d942338d7c6de2c59a0270bbb4af4817a7b SHA-256: 2b673ab8c2564ad0fb2f123ac1e089133742cb8c646c541b5fda2e4b57dd0b4b

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9986

Heuristics 6

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://mifuj.co.za/YmrXLWy8?keyword=zoom%20cable%20modem/router%20model%205352 PDF link annotation
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/67302224198.pdfIn PDF document text
- https://tujozidu.weebly.com/uploads/1/3/4/6/134694944/guzuzonapidab.pdfIn PDF document text
- https://fodigedij.weebly.com/uploads/1/3/2/7/132740281/533c0a9e4181.pdfIn PDF document text
- http://thechinatailor.com/uploadfile/file/2022022101530573499.pdfIn PDF document text
- http://0965818789.com/CKEdit/upload/files/40709162126.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/750c8f8fff24bdd01afe541a7aa627ff/70890921153.pdfIn PDF document text
- http://antropolog.ru/userfiles/file/44451387956.pdfIn PDF document text
- http://livestocktool.com/d/files/wutukuxinubegalupikawodu.pdfIn PDF document text
- https://piwunosorelid.weebly.com/uploads/1/3/4/5/134590209/cbf15e.pdfIn PDF document text
- https://rerijaruduja.weebly.com/uploads/1/3/4/6/134649434/69444.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16207f61c73244---85221549093.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16250f67cb6ca4---73188715129.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622992ade72f3---98110126030.pdfIn PDF document text
- http://oinfo.cz/userfiles/file/bosudufawarijazof.pdfIn PDF document text
- https://nebolizeluxofid.weebly.com/uploads/1/3/0/8/130874408/9160316.pdfIn PDF document text
- https://innoversant.com/userfile/file/zowijogesiligezobix.pdfIn PDF document text
- https://edenestates.com/ckfinder/userfiles/files/40542367032.pdfIn PDF document text
- http://www.icf-plant.com/files/file/90240571457.pdfIn PDF document text
- http://lotyzapoznawcze.pl/cms/files/77271633075.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/sanuzodipegafojopalev.pdfIn PDF document text
- https://midamexup.weebly.com/uploads/1/3/5/3/135314938/051fbea5fc.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_off0000abd4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xABD4	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000c3e6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC3E6	16752 bytes
SHA-256: `40c03a3a26f9a02e8c6d7dcd2fe0aca9e44af0b0426128e70c24453f30dafc4e`
`font_02_sfnt_off0000ef9b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEF9B	10832 bytes
SHA-256: `9faf01efa1f15ae34d8ef58e0a9a7b4e2fa1338555acc571832ac9e8bee5fe33`

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