PDF malware analysis — malicious · 5d8cea0363943d00

MALICIOUS

PDF

87.7 KB Created: 2022-04-04 19:37:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18

MD5: bec2dc57c2397dc2175c165e88ad966a SHA-1: bf601195985cf98e310e1b1c4a587b5fbc8c1e98 SHA-256: 5d8cea0363943d005fa868d8621fbd18518401965c57da31f3ab5e6fd6e84116

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9995

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://podar.co.za/YmrXLWy8?keyword=what%20are%20good%20topics PDF link annotation
- http://thienlongadv.com/upload/files/bikiwidemabesijib.pdfIn PDF document text
- http://www.organizacaoatos.org/admin/ckeditor/kcfinder/upload/files/85433822416.pdfIn PDF document text
- https://gevakevapoke.weebly.com/uploads/1/4/1/3/141307696/nubefigademe_radezu.pdfIn PDF document text
- https://nogalagamepet.weebly.com/uploads/1/3/0/7/130738620/4f219b.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/f67f9c95f1cfa8be54f8289bd78ccab6/19967890150.pdfIn PDF document text
- http://cnpair.com/userfiles/file/71187489908.pdfIn PDF document text
- https://morupataniseb.weebly.com/uploads/1/3/4/5/134502176/2335521.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622db3eb3147b---11142355693.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/keletupibiregeweguxovil.pdfIn PDF document text
- https://guboriratuji.weebly.com/uploads/1/3/4/2/134235556/zukubivepena.pdfIn PDF document text
- https://vandolderskb.com/images/usr/61063276867.pdfIn PDF document text
- https://www.sudoku-cool.com/ckfinder/userfiles/files/36260206587.pdfIn PDF document text
- https://bcbc3399.com/upload/files/maperobanogopekedenova.pdfIn PDF document text
- http://hurtglass.pl/upload/file/48733418750.pdfIn PDF document text
- http://autodilygood.cz/files/file/timibavusikivizefudo.pdfIn PDF document text
- http://www.singchai.co.th/ckfinder/userfiles/files/marakegilegilidixofe.pdfIn PDF document text
- http://wixoon.hu/upload/file/kogapivarerofopumegirak.pdfIn PDF document text
- http://bestbelly.org/content/files/files/zurabimevujefebevujugifaw.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/giqbg21cmmvr1gmsqosknuqe4f/dewugozezurolamonosu.pdfIn PDF document text
- https://www.caposalasicilia.com/admin/ckeditor/kcfinder/upload/files/6360082798.pdfIn PDF document text
- https://pacpartner.net/images_client/imagesfile/43190053120.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_off0000f14b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF14B	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off00010962.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10962	10636 bytes
SHA-256: `fdc4d14a301e17fbf2aaaed3c0a512da7cc467b4aa38531565cfe33f424e6a46`
`font_02_sfnt_off000121b1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x121B1	17328 bytes
SHA-256: `b84255d060bf1db483bbf60ee74d97405f829785e627a785031f7b23c814be76`

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