Malicious PDF — malware analysis report

Static analysis result for SHA-256 b704999570bcc297…

MALICIOUS

PDF

143.9 KB Created: 2020-04-11 06:14:37 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8942ab1db1ecbd24faae7b3ddef3dea3 SHA-1: bfb911358c5be730d590ad74df91a0a6aca6eb70 SHA-256: b704999570bcc29751ff7c489eb57752db26aa4075651eee3d3fd5a891fcc110
62 Risk Score

Malware Insights

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

The PDF file contains numerous external links, a technique often used for SEO poisoning or phishing. The document body, though heavily obfuscated, contains a URL related to 'pokemon sun and moon romsmania', suggesting a lure to attract users to potentially malicious websites. The heuristic 'PDF_SEO_LINK_FARM' further indicates a large number of external links, reinforcing the malicious intent.

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://74-123-77-223.mgwnet.com/uploads/1/3/0/8/130874360/130874360.html#pokemon+sun+and+moon+romsmania
    • http://advantageprotocol.com/uploads/1/3/0/5/130550949/pofinozujutumo.pdf
    • http://thepolkcountynews.org/uploads/1/3/0/4/130477455/4639425.pdf
    • http://fratestrategies.com/uploads/1/3/1/0/131070561/pepuzolexewinem.pdf
    • http://ezservicesolutions.com/uploads/1/3/0/8/130814021/586996.pdf
    • http://baoandtea.com/uploads/1/3/1/4/131455198/todibuwa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b7a6.bin
c8dc50975c35765422308853d7aa695ce87fd2ffa65a8ca89a9b471693b5b78f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB7A6 8840 bytes
font_01_sfnt_off0000d8c2.bin
b5ad9a64fb77f510e9a8ff4092813c2b1f35cb7f531df724f0419008a7e64294		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD8C2 110260 bytes
font_02_sfnt_off00021e5b.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x21E5B 16036 bytes

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