Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d11f8ed8ef001e5…

MALICIOUS

PDF

31.4 KB Created: 2020-05-15 12:48:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a42047603259ce0a4d421d43ef2a1cb SHA-1: 22f4054a4152fe1b150dd881caa8c38b5a6f3071 SHA-256: 2d11f8ed8ef001e5598fa4997c480da5c1249877ebbdff6a897b3a1ee0302c8d
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or distribution network. The document body, though heavily obfuscated, contains references to these URLs. The primary purpose appears to be directing users to external content, which could be malicious or used for SEO manipulation.

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://royal34.net/uploads/1/3/0/6/130621051/130621051.html#printable+3d+shapes+worksheets+for+kindergarten
    • http://coastalcottages2go.com/uploads/1/3/0/9/130969384/8109307.pdf
    • http://movementandmeaning.com/uploads/1/3/1/4/131453808/cd02027df4a96fb.pdf
    • http://nnn-investing.com/uploads/1/3/1/4/131438038/rodotedatovemo.pdf
    • http://llimani.com/uploads/1/3/0/2/130288861/236972.pdf
    • http://stpaulsontheway.org/uploads/1/3/1/4/131438038/rurodile_lazaxopa_semisan_xaxuvadew.pdf
    • http://cairnscloudsolutions.com/uploads/1/3/0/7/130775275/pexinenaxasi.pdf
    • http://authorpreneurworkshops.org/uploads/1/3/0/8/130874094/d01714041f3986.pdf
    • http://awcollision.net/uploads/1/3/0/7/130775817/8923553.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000051f9.bin
fbc6997a2399695974b97fc14fc83f100e71e5c15851c87f1e3d1681c241b4e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51F9 9576 bytes

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