Malicious PDF — malware analysis report

Static analysis result for SHA-256 715f366ca315331c…

MALICIOUS

PDF

37.7 KB Created: 2020-04-23 11:37:45 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2022-07-02
MD5: 728c25944c8e762c3a0d8c05f51d2aa6 SHA-1: dd36fd629bf343e52dd7120fada0759b58fdb423 SHA-256: 715f366ca315331ceee2d8786c41b4adef09215c42484c742a97cfac184e84f8
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://goradiocristosalva.org/uploads/1/3/0/6/130604175/130604175.html#scientific+calculator++app PDF link annotation
    • http://somasoakcanada.com/uploads/1/3/0/6/130622000/5405475.pdfIn PDF document text
    • http://sewaneepilates.com/uploads/1/3/1/3/131379923/2513236.pdfIn PDF document text
    • http://fashionbx.com/uploads/1/3/0/3/130379272/wukowi-pabep-divadidulubenaj.pdfIn PDF document text
    • http://thesingingprincessparty.com/uploads/1/3/0/8/130874539/4966265.pdfIn PDF document text
    • http://penncrestsenioractivities.com/uploads/1/3/0/3/130323335/pasovazefunaf.pdfIn PDF document text
    • http://tagtranslations.com/uploads/1/3/0/2/130287284/4930628.pdfIn PDF document text
    • http://charedianonimy.com/uploads/1/3/0/5/130543261/7329321.pdfIn PDF document text
    • http://welovemolly.com/uploads/1/3/0/2/130291575/5249427.pdfIn PDF document text
    • http://jgsdelicatessen.com/uploads/1/3/0/5/130588931/1453713.pdfIn PDF document text
    • http://organicenergysolution.com/uploads/1/3/0/2/130273623/vudaf_jegeserijamup_kafis.pdfIn PDF document text
    • https://impalastudiosIn PDF document text
    • https://apps.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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006909.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6909 8912 bytes
SHA-256: c5a594b14e5ef3d3fb4815a5c7f23cb05a1f7760cdea36d3aa76a44ebb9db225

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