PDF malware analysis — malicious · 94188e3e63232e1c

MALICIOUS

PDF

83.6 KB Created: 2021-10-18 04:52:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12

MD5: 2eb1eebed3bf9be4fa0f418c3ad1377d SHA-1: 63c32f0c8c2e92fbaeba897cdadc8cad186e8695 SHA-256: 94188e3e63232e1c47d625e465df96e3f6d10bf696eb8e2dc936a6000e9c75a5

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9974

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 http://struttur-arch.it/userfiles/files/17510160815.pdf In PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/rezodepafobarufizikodu.pdfIn PDF document text
- https://bdprescription.com/ci/userfiles/files/tusafokag.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/b696121dfb93d5dd2e2bbd44d54e96b6/sasamosodepe.pdfIn PDF document text
- http://ajitcoatings.com/uploads/wosopatidasule.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/2021918_114759_252.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/doditog.pdfIn PDF document text
- https://dynasty888.com/image/files/20211005_105908.pdfIn PDF document text
- https://maisonforville.be/documents/file/37857669082.pdfIn PDF document text
- http://tl-maskinfabrik.dk/userfiles/file/zujavobu.pdfIn PDF document text
- https://globaldreamindia.com/webcms/file/92987616476.pdfIn PDF document text
- https://cfacgroup.com/uploads/FCK_files/file/59152438227.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/161496538ac089---25942895089.pdfIn PDF document text
- http://qdjshg.com/files/file/85969082058.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/6f93d381a675f7e3d2c76d25b192e07c/9770821881.pdfIn PDF document text
- https://quatden.vn/webroot/img/files/30064242059.pdfIn PDF document text
- https://ubranni.com/uploader/files/58639982008.pdfIn PDF document text
- http://kaitosushisb.com/uploads/files/letilofifakegigatavep.pdfIn PDF document text
- http://okun.su/upload/file/29234615317.pdfIn PDF document text
- https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/30255737623.pdfIn PDF document text
- https://wfbulgaria.com/uploads/wysiwyg/files/6255803949.pdfIn PDF document text
- https://olamare.com/img/uploaded/file/nomezanuvofigojetujiwen.pdfIn PDF document text
- https://ginecologmuresan.ro/ckfinder/userfiles/files/buketelokifodimasenalu.pdfIn PDF document text
- http://dietgame.net/admin/fckeditor/data/file/20211008063243.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/oscUj7J0Gjw/uplcv?utm_term=cognitive+domain+meaningPDF link annotation
- 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_off0000e521.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE521	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000fd33.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFD33	16920 bytes
SHA-256: `2bc8d1016ae152ff535ba43b078ff80d38f08b5f26493fc64ca3ec55dadd07a1`
`font_02_sfnt_off0001294b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1294B	10372 bytes
SHA-256: `56ed5163bd59728e0f6038afe90f3436cddc8758d8eb5c2c8b177462d5a8108c`

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