Malicious PDF — malware analysis report

Static analysis result for SHA-256 519a9ae121b3489d…

MALICIOUS

PDF

46.2 KB Created: 2020-04-20 01:21:32 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5c15d798905893dcb5e42848e18020bb SHA-1: 0e970f8a812cd1f53f41255891bc17247bf1b127 SHA-256: 519a9ae121b3489dccf479857e6d3c6211f81eebde7190c0eb08b3dc2af277ed
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme. The primary purpose appears to be directing users to external sites, potentially for malicious purposes such as phishing or malware distribution, rather than delivering content directly within the PDF. 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://treasures4yourheart.com/uploads/1/3/0/2/130289397/130289397.html#accp+guidelines+dvt
    • http://aku-pasrah.org/uploads/1/3/0/9/130969618/19f43344d.pdf
    • http://granvillebates.com/uploads/1/3/0/5/130588807/liboniru-kikutebixifijon.pdf
    • http://sarapurcellportfolio.com/uploads/1/3/0/9/130969644/4eeec3e7897f7bd.pdf
    • http://fivedumbguyswalkintoabar.com/uploads/1/3/1/4/131452902/822cb035603.pdf
    • http://salasincorporated.com/uploads/1/3/0/9/130969768/mosegovis.pdf
    • http://happymadra.com/uploads/1/3/0/3/130313557/27ee678cfe0bbfd.pdf
    • http://happymadra
    • 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_off00008e3f.bin
20a5912876c1cdd400c859a4c6642940a49df7facc3d312d83a8833d0b078187		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E3F 8180 bytes

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