Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f6a096ab8c0530d…

MALICIOUS

PDF

40.4 KB Created: 2020-04-25 07:53:26 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7415f3a5d13d19ce4730efb565a92c39 SHA-1: 7654d66ba43d322fddceab83a9f79489188a6225 SHA-256: 1f6a096ab8c0530d00c59c01d503c531be18fe8d8e3ec0acd701108002a48dd2
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to similarly structured URLs on different domains, suggesting a link farm for SEO or phishing. The document body mentions 'Huawei bug report captured', which is likely a lure to entice users to click on the embedded malicious links. No scripts were extracted from this sample.

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://lorrieboylen.ca/uploads/1/3/0/3/130323285/130323285.html#huawei+bug+report+captured
    • http://nolimitsbodytorque.com/uploads/1/3/0/7/130739924/4032374.pdf
    • http://panamapetmicrochip.com/uploads/1/3/0/7/130739128/2508728.pdf
    • http://casnerchristianacademy.net/uploads/1/3/0/5/130543333/0c2a3b33b94512.pdf
    • http://deborahfbloom.com/uploads/1/3/1/3/131384098/04a25612c3de89.pdf
    • http://miacraigphotography.com/uploads/1/3/1/4/131408153/6367205.pdf
    • http://creacionesinolvidables.com/uploads/1/3/1/4/131453182/bapadafojedisaniwivo.pdf
    • http://taylortradingcomp.com/uploads/1/3/0/5/130551059/1438699.pdf
    • http://solitarycleaning.org/uploads/1/3/0/9/130969371/7068835.pdf
    • http://fiddespayne.com/uploads/1/3/0/2/130289379/87d0b1afbc.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000619e.bin
0d2a3d1bf26e984cab10cf7b8aa4d8fc8179609c7b3c547036d14468bf876dad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x619E 7996 bytes
font_01_sfnt_off000080bd.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80BD 16036 bytes

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