Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8d2798e5da6afbf…

MALICIOUS

PDF

44.3 KB Created: 2020-05-03 16:05:13 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: e5b76eed0193305bb709f471929dfdb0 SHA-1: e305b9d2868e69a04ed287ff90e4995624caf0bd SHA-256: c8d2798e5da6afbff14c164ddb0db7700d51d598370b440605de97dd1d935c0f
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF contains a large number of external links, a common technique for SEO poisoning and distributing malicious content. One of the primary links points to 'angelwellness.net' and is presented with a title suggesting sheet music, acting as a lure. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, suggesting a link farm strategy. While no scripts were extracted, the presence of numerous external links and the lure text strongly suggest the document's purpose is to redirect users to a malicious site for further exploitation or download.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://angelwellness.net/uploads/1/3/0/7/130738484/130738484.html#hungarian+rhapsody+no+12+sheet+music
    • http://neelco.ca/uploads/1/3/0/6/130622106/walivawosaw.pdf
    • http://bigredwrestlingclub.com/uploads/1/3/0/6/130604791/tufaxejefoge.pdf
    • http://springvillesunorganics.com/uploads/1/3/0/2/130287401/8db7e144d09c1e.pdf
    • http://855review5.com/uploads/1/3/1/4/131408022/60fbd50ae9f.pdf
    • http://beeclubsales.net/uploads/1/3/0/7/130775014/fe2b03.pdf
    • http://jeffsof.com/uploads/1/3/0/6/130639298/desipul.pdf
    • http://nutritionavenuefitness.com/uploads/1/3/0/6/130621106/5aae9089ddbb4.pdf
    • http://growhazelnuts.com/uploads/1/3/0/5/130541600/zewaxexudisemak.pdf
    • http://impactforestry.net/uploads/1/3/0/6/130604150/d5a72d3e57b.pdf
    • http://thestonewallmasonry.com/uploads/1/3/0/5/130538986/5600183.pdf
    • http://livewellbeactive.com/uploads/1/3/0/8/130873876/risonakuba_rixajitama.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • 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_off00007fe5.bin
87999816200ca21e6361fa14914234b5fcd4eae3153aeb5f60b91e20b211af03		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FE5 11784 bytes

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