Malicious PDF — malware analysis report

Static analysis result for SHA-256 2746d5e8b811609a…

MALICIOUS

PDF

31.2 KB Created: 2020-05-13 06:37:29 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6bd6875f76a3ab5d1d5291d23868d0c5 SHA-1: adf95a1ed8b68660c1028efa478bb745d52336b0 SHA-256: 2746d5e8b811609a58c32476fcbb8080ea3445de6316301285a99c1d0d843191
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, many of which point to other PDF files hosted on various domains. This pattern is indicative of a link farm or a distribution mechanism for further malicious content. The document body itself is largely unreadable due to encoding issues but contains references to the external URLs.

Heuristics 3

  • 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
  • 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://madeesthetics.com/uploads/1/3/1/4/131482853/131482853.html#contoh+report+text+pendek+beserta+artinya
    • http://ffassassins.com/uploads/1/3/0/3/130379117/6521296.pdf
    • http://brasonbuildingcorp.com/uploads/1/3/0/7/130775746/5270738.pdf
    • http://allenisdcouncilpta.org/uploads/1/3/0/5/130545698/fituzutipepi-jepajalonubaj-rujozixabusaxed.pdf
    • http://espacelibellules.com/uploads/1/3/0/6/130621444/7183649.pdf
    • http://sellershop.com/uploads/1/3/0/5/130588319/69624d91.pdf
    • http://shopretrorooster.com/uploads/1/3/1/6/131606491/b8bbbf671.pdf
    • http://contadores-auditores.com/uploads/1/3/0/4/130478709/3274790.pdf
    • http://multitechnrj.net/uploads/1/3/1/4/131408917/1797942.pdf
    • http://boxroomevents.com/uploads/1/3/1/6/131607169/daredusabotagiv_ragema.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000512b.bin
67175e04293db776fcf058d13b5458a33d51fab6d82584461d6b62bdeb338c8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x512B 9576 bytes

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