PDF malware analysis — malicious · c5d72f43fc5ea32a

MALICIOUS

PDF

96.4 KB Created: 2021-10-17 20:02:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28

MD5: e6b69ae088d4c973383388a951b2413f SHA-1: eee0d641b820853541b0a6fffedc91ed0c78f03e SHA-256: c5d72f43fc5ea32a92463d1f0c0a8cec9f47d3342e4914bd586c6a1bbf18082d

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9972

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://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/c74d492ba72ccdc29c09b0d5a1a51901/30771524338.pdf In PDF document text
- http://brixtontaxi.com/survey/userfiles/files/20758493610.pdfIn PDF document text
- https://pu.vienhung.com/webroot/img/files/mobowupasuzikenokelad.pdfIn PDF document text
- http://sgyscom.com/upload_fck/file/2021-9-26/20210926135946396620.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/xinuzumajuvilaw.pdfIn PDF document text
- https://qigoodteam.com/uploads/files/202109182221165775.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/ml9rf5n9narnfnf5dej6tf5a3k/40788761824.pdfIn PDF document text
- https://biodez.lt/i/File/67092541135.pdfIn PDF document text
- http://pokemom2.com/uploads/files/66621412286.pdfIn PDF document text
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/raxikokuzeb.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16156b6b8e1f06---vilujavib.pdfIn PDF document text
- http://drairtools.com/ckfinder/userfiles/files/dujupovetabevadobitewuni.pdfIn PDF document text
- https://wickedcheesy.com/images/file/25303861013.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615366cb00697---vujazolutiw.pdfIn PDF document text
- http://csc0351.com/userfiles/file/20210913192020_8oyn1o.pdfIn PDF document text
- http://logicparcel.net/uploadsEditorfile/gonafuxedufer.pdfIn PDF document text
- http://tcsm62.org/uploads/news/file/fazudejexurupurawaz.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/mukanuxipozepixan.pdfIn PDF document text
- http://www.ville-dammarie.com/ckfinder/userfiles/files/30925809555.pdfIn PDF document text
- https://at-studio.tw/app/webroot/userfiles/files/20210909_163802.pdfIn PDF document text
- https://33mobility.net/uploads/files/64104049243.pdfIn PDF document text
- https://computerzone.pk/file/terorolepenavalo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/BGAemAmcdTc/uplcv?utm_term=sad+quotes+about+bad+friendsPDF 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_off000114dd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x114DD	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off00012cef.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12CEF	18112 bytes
SHA-256: `e05b081297d4212b3f04e5120f36be8076b6fb9888a2048cd0f193d79290a02b`
`font_02_sfnt_off00015b5a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x15B5A	10764 bytes
SHA-256: `e57fb134fcd2d4de46214c7f4248220771e3e02171941f0a9262539abeeb96b5`

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