PDF malware analysis — malicious · 1915df6e85c1f2dc

MALICIOUS

PDF

71.0 KB Created: 2021-08-02 23:59:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22

MD5: 3dce37302b25c128dd2d57af206d628c SHA-1: 520888b777c24b2bd8819aac095281ac1b4378dd SHA-256: 1915df6e85c1f2dc536048605ac330aeaf6ff1675c05788932af6d473dff7390

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9993

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://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160e53a5cdea21---marubisexivezudojexu.pdf In PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd38126a5c---movabuzatasetuv.pdfIn PDF document text
- https://papersacksfactory.ae/images/bulk_images/files/63983318829.pdfIn PDF document text
- http://superplasticizer.cn/d/files/91995618788.pdfIn PDF document text
- http://portalcom-b2b.es/img/user///file/_0805810001621246854.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/djhlkgaq9il8pilbb0mvll7ij2/dotab.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a50f2bf8e---wofiwojanuzu.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/db10138aa204cd2d794eb99785ad193c/fokoxijufimuvepugowos.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/pts24630tdu6ca3n4gg1op68d5/86935591870.pdfIn PDF document text
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/dakivew.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/3ef49617ea1413600c79368c5af0e421/wajasokepe.pdfIn PDF document text
- https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/04092a44b89edc324e21933d1ca494a6/58683936849.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acdb9810126---97404759044.pdfIn PDF document text
- https://alihuata.com/userfiles/file/vasigusefodobaz.pdfIn PDF document text
- http://hanhthien.net/uploads/file/86931457483.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607abc2d56112---lonivoxomumaxozexaligeja.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/3aa0548096acf5556856bd061ed39708/51528193786.pdfIn PDF document text
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607022b405b40---genutosimu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=roblox+music+id+code+for+rap+godPDF 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_off0000b406.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB406	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000cc18.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCC18	16052 bytes
SHA-256: `5453988e6a9b9ff15e648410c6da0939cebcbf3b221eb693fc8edb833d7acb63`
`font_02_sfnt_off0000f5bf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF5BF	11148 bytes
SHA-256: `390015b2a381683ae3ba7b85d107c9966e4b6627d6c005b56d59bc961d4fa050`

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