Malicious PDF — malware analysis report

Static analysis result for SHA-256 20e36f2c55026997…

MALICIOUS

PDF

41.9 KB Created: 2020-03-07 09:54:25 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6fc0dfbdafcd5e9bdf39e4b3b0b3ae56 SHA-1: 4bc273f06d3e23f5f73f997ad0e1638bfe151967 SHA-256: 20e36f2c550269976123c309e1f21494f2693e05b05e5e8d6c4d1add62f9bc85
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body itself is heavily obfuscated but contains references to URLs that are also listed in the extracted URLs. These URLs likely lead to further malicious content or are part of an SEO spam campaign. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://6iijoi.bdgct.com/uploads/1/3/0/7/130739626/130739626.html#blast+furnace+slag+granulation
    • http://soakupthesolstice.com/uploads/1/3/0/7/130775503/dojuboxegoxoma.pdf
    • http://www.trippytreatzllc.com/uploads/1/3/0/5/130590416/reseraxunu.pdf
    • http://rivercrestpto.org/uploads/1/3/0/5/130588169/fcb8c7.pdf
    • http://smithandbeauty.com/uploads/1/3/0/2/130272898/tefuxetazipax.pdf
    • http://greatneckgourmet.com/uploads/1/3/0/2/130289756/3158926.pdf
    • http://dns.fertic.net/uploads/1/3/0/4/130489359/mugob-jifirita-gosawisavopixe-punese.pdf
    • http://yardtractorexpert.com/uploads/1/3/0/6/130604812/wefanikikoxin.pdf
    • http://74-123-79-46.mgwnet.com/uploads/1/3/0/9/130969728/tufogow.pdf
    • http://www.downtheaisleweddingconsulting.com/uploads/1/3/0/6/130620650/desufeseleg.pdf
    • http://admiralmedicalmanagementgroup.com/uploads/1/3/0/6/130640102/pimojajurimo.pdf
    • http://www.sandraguardadomft.com/uploads/1/3/0/6/130639646/besenofagevuvoz.pdf
    • http://oneclay.info/uploads/1/3/0/7/130776739/03b5e664cb2899.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_off00007913.bin
79da256c5faf6dac06eb0389cf9758d06f61b41036c0cbbdeadb55b3f07b1d12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7913 8412 bytes

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