Malicious PDF — malware analysis report

Static analysis result for SHA-256 e502456f555bcfd5…

MALICIOUS

PDF

122.0 KB Created: 2020-04-16 09:24:54 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 64bfc79bbc7b3fd565ea616082e681e1 SHA-1: f27275177c3b47c440d82e8d093af4286f27031e SHA-256: e502456f555bcfd575a1670183e526843630a12644720b78120bd8364c8fb1c8
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are structured as SEO-optimized PDF downloads. The document body, though heavily obfuscated, contains references to 'strategic air command march sheet music' and the wkhtmltopdf tool, suggesting a lure to disguise the malicious intent. The primary heuristic 'PDF_SEO_LINK_FARM' indicates a deliberate attempt to create a link farm, likely for SEO manipulation or to host malicious content. The embedded URLs point to domains that appear to be part of this link farm.

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://blissfulmindbehavioralhealth.com/uploads/1/3/0/3/130323392/130323392.html#strategic+air+command+march+sheet+music
    • http://kmglovingcare2hha.org/uploads/1/3/1/4/131409822/jovitokevavarubod.pdf
    • http://grahammawagency.com/uploads/1/3/0/2/130273625/kufidubuzovuw-luviro.pdf
    • http://ecocontainers.net/uploads/1/3/1/6/131606275/82f7b.pdf
    • http://homcceremonial.com/uploads/1/3/0/8/130874501/6dee2c2b8.pdf
    • http://creationsbyintention.com/uploads/1/3/0/5/130589189/54825e312c16dc.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_off0001a565.bin
e9affc36097b382ca394789c40d9f036ea39e2a15eb74398aff517d63318f34f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A565 8776 bytes
font_01_sfnt_off0001c6f2.bin
b3affdfdfee497c2d3230853582529cf395d265bfdbb8cde7d84ae9c33602211		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C6F2 16036 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.