Malicious PDF — malware analysis report

Static analysis result for SHA-256 47ed8c1c44fdd22c…

MALICIOUS

PDF

43.6 KB Created: 2020-04-17 04:39:43 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 580227bbed772ece3b3a617d834e061b SHA-1: c92943b93bffb3832d8fef97fe312d535da0e5e2 SHA-256: 47ed8c1c44fdd22c9ecfea4c6712d0f7a23749d8618cbfa1869b21720d8d63e6
122 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and contains a significant number of external links, indicating a link farm or redirection scheme. The embedded document body text, though heavily obfuscated, contains a URL that matches one of the extracted external links. This suggests the primary purpose is to lure users to external resources, likely for further exploitation or phishing.

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.
  • ClamAV: Pdf.Dropper.Agent-9259706-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-9259706-0
  • 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://atelierjademyr.ca/uploads/1/3/0/8/130814360/130814360.html#calvinist+reformed+baptist
    • http://kauaisky.com/uploads/1/3/0/3/130313026/ponomopitaber-jabibato-xufuvemir-gujiz.pdf
    • http://towardhealinghearts.com/uploads/1/3/0/7/130776735/bepejelijinuxevas.pdf
    • http://rogerderobillard.com/uploads/1/3/0/3/130313415/vegimub.pdf
    • http://kimsportacademy.eu/uploads/1/3/0/6/130603841/goxobojigib.pdf
    • http://helenbeebe.com/uploads/1/3/1/4/131407152/savovepobizekezo.pdf
    • http://backcareadvice.com/uploads/1/3/0/9/130969621/7531740.pdf
    • http://alexandershuttle.com/uploads/1/3/0/2/130271081/6053861.pdf
    • http://workben.com/uploads/1/3/1/4/131482867/remufutari-lajezeditiki.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_off00006ed7.bin
b00d406bc26df861f0df4fea8b1195434d3bfd5ef95186f38c07a045e905b833		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6ED7 7948 bytes
font_01_sfnt_off00008db6.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DB6 16036 bytes

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