PDF malware analysis — malicious · 0d31ffa9b46f629e

MALICIOUS

PDF

84.6 KB Created: 2021-09-12 00:10:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14

MD5: fc45b7bf7a1603db2b17a56d0f93acb4 SHA-1: d9681984f1edd8257ddb20726ea26bb5641d1de0 SHA-256: 0d31ffa9b46f629eb98ade5fb01b44fb61faa721dee317ad2dd56c18a3c55a22

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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://xn--j1aai7d.xn--p1ai/userfiles/file/gizivaginoxib.pdf In PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161361513e6027---topalasakajesuvizovesuna.pdfIn PDF document text
- http://wittymall.com/multimedia/userfiles/file/zukuzawimuvorusam.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/0f1a8a7345a94ec9e447a625507a05c9/kofidodufonogisu.pdfIn PDF document text
- http://goodlife88.com/uploads/files/vimasetumaz.pdfIn PDF document text
- http://tevukasveza.lt/ckfinder/userfiles/files/36794489993.pdfIn PDF document text
- https://ijtm.in/userfiles/file/1668638007.pdfIn PDF document text
- https://spheresignal.com/app/webroot/userfiles/files/66404302761.pdfIn PDF document text
- http://aqs-group.it/userfiles/files/91305788382.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b95d9d6e75---lanuvixasosefizo.pdfIn PDF document text
- http://forma8.kz/ckfinder/userfiles/files/mapenexemizali.pdfIn PDF document text
- http://gidaero.com/upload/fckeditor/file/49647319662.pdfIn PDF document text
- http://laserbeautymachine.net/d/files/gajoguludofeze.pdfIn PDF document text
- http://net-work.cz/data/file/92023131729.pdfIn PDF document text
- http://parateam.cz/file/xuvipaxofofuz.pdfIn PDF document text
- https://mrpressconsulting.com/UserFiles/file/fovis.pdfIn PDF document text
- https://o2opr.co/userfiles/files/binawepiboni.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/e71d41f789575e9c005103fb275777d2/34644252874.pdfIn PDF document text
- http://xn--oy2b19v1mb1yi.com/userfiles/file/lenekokof.pdfIn PDF document text
- http://avtokit116.ru/!upload/files/mazenapakirajez.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613140dd38831---48731018482.pdfIn PDF document text
- https://letstravelforacause.com/miet/assets/files/36375578960.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=stremio+apk+downloadPDF 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_off0000e4c6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE4C6	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000fcd8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFCD8	18396 bytes
SHA-256: `df9c9a0798d7a1a94e1da64b573331644cd76e4875f45892c9873cdf49267362`
`font_02_sfnt_off00012ccc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12CCC	10640 bytes
SHA-256: `1cba779b5ceeee76e69b06700414a54e614e3728398e3ba84f4b646b658c6642`

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