PDF malware analysis — malicious · 42574a1983d73de6

MALICIOUS

PDF

74.5 KB Created: 2021-08-10 12:18:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15

MD5: 5eba87b916b5f95a3477412517f836e5 SHA-1: ee2926d79a2274d2c2385183481c39a348320c24 SHA-256: 42574a1983d73de6ade9084a7da1f10ed3fb038c62aa30e0179d11561eef772f

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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://oniceh.ru/uplcv?utm_term=ps3+emulator+for+android+reddit PDF link annotation
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccae7ea95d---posewulepakodizet.pdfIn PDF document text
- https://webmenuplus.com/images/file/23032260969.pdfIn PDF document text
- http://boxerdapolenta.com/cmsimple/images/file/mosaze.pdfIn PDF document text
- http://bienbao.net/uploads/files/lefexeb.pdfIn PDF document text
- http://leoclubmarsala.it/userfiles/files/63194368807.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/djsufosm4thjrj2jnpadvs6tm1/93109932474.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087218d8e9c4---kiwuxawivawededizumusam.pdfIn PDF document text
- https://namratalakhotia.com/userfiles/files/gonos.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/71727385709.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/dac8dc9bc04c7440e6edb1ef7c7eb8f0/zukafoti.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a8413bfbd---xenaxefika.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608981323f9c9---68185037290.pdfIn PDF document text
- http://hak-al.com/resimler/files/36930553798.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160736adc805d8---rovezumamet.pdfIn PDF document text
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/86830a8e27878a52cc8a181d82197027/58689306864.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/19937109476.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/kigunebuxafujijeme.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/unlas7m2ombh50m1hga7dt7s05/maganukigor.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/711v0tmn4jrj5c78mgr0f9nlj2/soguzokujosonewetopamux.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_off0000c290.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC290	15632 bytes
SHA-256: `a7b48958e97c3eb6e80e38b72528b4a61a808c7245c244bbb903126e7fb123d3`
`font_01_sfnt_off0000eaae.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEAAE	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off000102c5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x102C5	10788 bytes
SHA-256: `dc1db3b1ab8ed296626838860c579e18232ec2e87833856cd9207d72338f31ee`

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