PDF malware analysis — malicious · 6fe9ee089522705f

MALICIOUS

PDF

82.1 KB Created: 2021-07-01 00:28:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05

MD5: 20809267465f786f6a73e4954fb90877 SHA-1: aba351bbb6293a0b589fb85297ab2d8a0a6219c4 SHA-256: 6fe9ee089522705fcd9ae487505fbaa76d7ef8e5c9eedbbf96984476f2f40a6d

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or malware distribution lure. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other domains, which likely serve as landing pages for malicious content or further exploitation. The presence of external URIs and link farm heuristics strongly suggests an attempt to redirect users to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9955

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://coretry.ru/uplcv?utm_term=murder+mystery+two+value PDF link annotation
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/aht71octqkf13v1mmq9iurhuf4/tasexuxebufegebo.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e4fa2ac45---musuravilofulanakive.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606c86fcd1a03---gagefi.pdfIn PDF document text
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/52adaaebf9dad3f79549d603edc55db1/gopagimugazudenowe.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609cde4a3bea2---7371916841.pdfIn PDF document text
- http://korytnica.net/data/files/73300965944.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/wogodele.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160801c51c12d7---75661616519.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/6586567515.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/52vaq4kvfr6l46vhrogigp9ilb/86573052429.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/texifegukeweb.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/hkotirfho7jjdraa6064i05aq4/96299059458.pdfIn PDF document text
- http://hyperasp.net/userfiles/file/35965466301.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607919081f66a---89804213045.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/71524978301.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d73f3c73f486f34c67d8471e3f40ecd6/39247625357.pdfIn PDF document text
- https://108pizza.pl/uploads/userfiles/files/96799253488.pdfIn PDF document text
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608470c0e7f45---befinofoz.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/jrnosj0f25d9hnme4ntpu7h0r6/98311758894.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160729bebc5a32---kusopasexavonot.pdfIn PDF document text
- http://merlegdoktor.hu/tmp/12355262984.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/33i263i2b9f308kh4a1cosjvc2/8545048531.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/789vqq67oo2kn3c232rnbne2p8/fesenezisapiwatixawaju.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d62e3c715---xemibamofewudibelumofako.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_off0000d99e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD99E	19776 bytes
SHA-256: `32fefa8534f4d7590910514ff17c7fa8588c89915e609e6608c16ea47d8df13c`
`font_01_sfnt_off00010b08.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10B08	10572 bytes
SHA-256: `aad80a3979ed8c7ce776049b8d50e4492e82510a1330164e7740262c9fd0b104`
`font_02_sfnt_off00012359.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12359	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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