Malicious PDF — malware analysis report

Static analysis result for SHA-256 67fe0934dc0759a0…

MALICIOUS

PDF

34.9 KB Created: 2020-04-08 06:48:02 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2021-02-19
MD5: 42ce6cee9ff474576cc3e110536a948b SHA-1: 44eaadf287b2d9a4b086471526f0f095a7c56269 SHA-256: 67fe0934dc0759a0fa3a256af181c12f62312a6bccf28867033caec22abc9fc9
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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://linksandcastles.com/uploads/1/3/0/7/130775970/130775970.html#raiz+cubica+de+1960 PDF link annotation
    • http://louisvillekyfenceanddeck.com/uploads/1/3/0/9/130969199/budum.pdfIn PDF document text
    • http://www.connectyoursenses.com/uploads/1/3/0/7/130776629/2109865.pdfIn PDF document text
    • http://ferreboeuftherapy.com/uploads/1/3/0/8/130874470/gedeneluw-gavel.pdfIn PDF document text
    • http://mycandleboutique.com/uploads/1/3/0/8/130813601/8ebdf2e2fbe3a.pdfIn PDF document text
    • http://steffanie.photography/uploads/1/3/0/8/130874042/e914df7e38a.pdfIn PDF document text
    • http://indonomy.com/uploads/1/3/0/6/130639689/salenogi_rugogebazevemig.pdfIn PDF document text
    • http://skfinancieel.nl/uploads/1/3/0/6/130639541/notunebezovinenidu.pdfIn PDF document text
    • http://marketplacerva.com/uploads/1/3/0/6/130639983/tamagazesetamo.pdfIn PDF document text
    • http://teamcchoutfitters.net/uploads/1/3/0/5/130551700/2053147.pdfIn PDF document text
    • http://luckybrandonandcatherine.com/uploads/1/3/0/5/130551387/1760569.pdfIn PDF document text
    • http://brickhouzecollections.com/uploads/1/3/0/2/130271185/suxijezowavisos.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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E49 9276 bytes
SHA-256: 1d215c50ba07c70b9296e1449c6a0eec2408c9e0b008398a86a460a7d22961b0

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