Malicious PDF — malware analysis report

Static analysis result for SHA-256 425904f198a675a7…

MALICIOUS

PDF

76.9 KB Created: 2022-07-24 03:36:06 +03:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 5.15.4) First seen: 2026-06-15
MD5: 71fbef1a403078dbb174f5ae7aa2f34f SHA-1: eafe7c10752d0da9eb7e9786771b0dab9caa1fd7 SHA-256: 425904f198a675a7cb49b2282cf27d6bcfde8a64c5ca693c2f562015e65b474a
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9983

Heuristics 6

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://ydeepty.com/wb3?utm_term=the%20complete%20world%20of%20greek%20mythology%20pdf%20%20full%20game PDF link annotation
    • https://vilewojux.weebly.com/uploads/1/3/0/8/130874250/4019703.pdfIn PDF document text
    • https://wineuniverse.us/userfiles/file/lonerelamudirej.pdfIn PDF document text
    • https://ditaxuxonewo.weebly.com/uploads/1/4/2/2/142289138/6706493.pdfIn PDF document text
    • https://powerscreen-bg.com/files/57429964776.pdfIn PDF document text
    • https://fejalaxowo.weebly.com/uploads/1/4/1/7/141780032/6426677.pdfIn PDF document text
    • https://www.vignolaweb.it/ckfinder/userfiles/files/libovutebifavegovilo.pdfIn PDF document text
    • https://wojipinokogax.weebly.com/uploads/1/3/4/8/134863097/eb7974d.pdfIn PDF document text
    • https://nuresipaxujetun.weebly.com/uploads/1/3/4/6/134683077/xebetujamarejek-bebijafanowi-benifa-zodaxosaz.pdfIn PDF document text
    • https://zoxamadafipezo.weebly.com/uploads/1/3/1/1/131164297/lisol.pdfIn PDF document text
    • http://argol-editions.fr/userfiles/file/pozirebemajitik.pdfIn PDF document text
    • https://ntdpoland.pl/eurostyl/photos/file/butulawemazotuvikurawe.pdfIn PDF document text
    • https://putukaxuke.weebly.com/uploads/1/3/1/4/131437363/lenedatanuroku.pdfIn PDF document text
    • http://pga-partner.com/data/media/files/besivilajapatifanixuni.pdfIn PDF document text
    • http://meguro.pl/www/js/kcfinder/upload/files/zodiw.pdfIn PDF document text
    • https://stiff.pl/ckfinder/userfiles/files/53815954019.pdfIn PDF document text
    • https://niduzipotobumam.weebly.com/uploads/1/3/6/0/136054567/588d39d66d5.pdfIn PDF document text
    • http://oprandi.it/userfiles/files/rufoximaw.pdfIn PDF document text
    • https://kifugezob.weebly.com/uploads/1/3/4/5/134529667/a21657a9ba1.pdfIn PDF document text
    • https://gixajagubufaso.weebly.com/uploads/1/4/2/0/142075123/wutelomoj-wowaf-zarulefekosigol.pdfIn PDF document text
    • https://tisawotaw.weebly.com/uploads/1/3/5/9/135993845/8494795.pdfIn PDF document text
    • https://valijobeguxufa.weebly.com/uploads/1/3/4/1/134108929/1806574.pdfIn PDF document text
    • https://nirefuriwubava.weebly.com/uploads/1/3/1/6/131637308/dunudid.pdfIn PDF document text
    • https://lekamenofujilap.weebly.com/uploads/1/3/4/6/134690267/1155442.pdfIn PDF document text
    • http://www.bitstream.comIn 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.

FilenameKindSourceSize
font_00_sfnt_off0000c730.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC730 8940 bytes
SHA-256: 897a1d9f6f4b474150d2504b8fa79d1507a5ac285a7fb2bf61803f06dc51c46c
font_01_sfnt_off0000d947.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD947 10148 bytes
SHA-256: 6797cf86e6f9ecc616ea6df36a3b5b0877463a5f61995a30f4f383f9b896ff98
font_02_sfnt_off0000f1fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1FE 18752 bytes
SHA-256: bcfac306e7a4d16be872a7d148048d85b5f881763af230b8faa9f92abfa2d711

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