Malicious PDF — malware analysis report

Static analysis result for SHA-256 67a7562a41262bd6…

MALICIOUS

PDF

49.6 KB Created: 2020-05-01 06:09:41 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2021-03-01
MD5: b12d26729c37b64b008849810aa6f72b SHA-1: 4778296deaa5c9a82449ee8612fd71c693e68f25 SHA-256: 67a7562a41262bd6246773efa75f8b54163181397f8254c104a8281102dd3a68
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://mauricehazan.com/uploads/1/3/1/4/131453969/131453969.html#kaala+teeka+serial+song+free PDF link annotation
    • http://domorefoundation.us/uploads/1/3/1/0/131070115/rapuvuruxexip.pdfIn PDF document text
    • http://farmaciasantamariavillacidro.com/uploads/1/3/0/5/130551764/2667528.pdfIn PDF document text
    • http://mgfundraiser.com/uploads/1/3/0/5/130547689/8090135.pdfIn PDF document text
    • http://iunik.net/uploads/1/3/0/4/130488288/mamalosonilawiwa.pdfIn PDF document text
    • http://taylorstudios.net/uploads/1/3/0/3/130313613/9784238.pdfIn PDF document text
    • http://sorelipcustom-jigs.com/uploads/1/3/0/5/130544584/kanonilasera.pdfIn PDF document text
    • http://eimtaiwan.org/uploads/1/3/0/6/130620343/wisapapef.pdfIn PDF document text
    • http://fourcornercollectables.com/uploads/1/3/0/6/130620455/nuzoxegut.pdfIn PDF document text
    • http://strategyforall.com/uploads/1/3/1/4/131482950/jadejevomi-libevopo.pdfIn PDF document text
    • http://passioncityproject.com/uploads/1/3/0/5/130588983/38f79d1b6e.pdfIn PDF document text
    • http://intercomrental.com/uploads/1/3/0/6/130603891/kasez.pdfIn PDF document text
    • http://saveourbcfisheries.com/uploads/1/3/0/2/130289775/8550708.pdfIn PDF document text
    • http://groutblasters.net/uploads/1/3/0/6/130604919/4398953.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_off00009b6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B6C 8064 bytes
SHA-256: 27cbd64adffa857924af1de90c3b377225d6126694694cbc62abb4222fd05f22

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