Malicious PDF — malware analysis report

Static analysis result for SHA-256 eea6252acb799feb…

MALICIOUS

PDF

43.4 KB Created: 2020-04-14 14:40:50 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 93d9bb3b2549de06790c655c2e372b36 SHA-1: 9eea85e1a45a2f9cea6e94e5bbbec7d2237fc2b1 SHA-256: eea6252acb799feba4e22b637d28150f2e4db883033a6eb8859585a6a0b12263
62 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, many of which point to PDF files hosted on unrelated domains. The document body text, though heavily obfuscated, suggests a lure related to 'handing in notice at work'. The primary heuristic indicates a link farm strategy, likely intended to drive traffic to malicious sites or host further malicious content. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://crestatlaurelwoodfinancing.com/uploads/1/3/1/4/131406487/131406487.html#handing+in+notice+at+work+template
    • http://suziqiong.com/uploads/1/3/0/7/130739970/jodomaxomagemanexuv.pdf
    • http://butcherknives.us/uploads/1/3/0/7/130739049/dunawixolakuwes.pdf
    • http://keystonetaildraggers.com/uploads/1/3/0/7/130739332/42b882.pdf
    • http://washingtonclimateweek.org/uploads/1/3/0/6/130621665/dac10b531.pdf
    • http://zeladvisorygroup.net/uploads/1/3/0/2/130291809/8689218.pdf
    • http://prodigyprostudio.com/uploads/1/3/1/4/131438509/9369399.pdf
    • http://9lazykidz.net/uploads/1/3/1/3/131383945/a9038c8851.pdf
    • http://footermobile.net/uploads/1/3/0/6/130620887/b7aeb7db8f85.pdf
    • http://supergrouphorseracingtips.com/uploads/1/3/1/4/131483144/fivalopavobone.pdf
    • http://afmsptsa.com/uploads/1/3/1/6/131606874/2009670.pdf
    • http://sharonsclarr.com/uploads/1/3/0/7/130776693/wizeruwizerexa.pdf
    • http://keystonetaildraggers.com/uploads/1/3/0/7/13
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008532.bin
8279a0642e51ff7459773300564d53bd3122445f99adcbeaa81b73ddb896a6e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8532 8032 bytes

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