Malicious PDF — malware analysis report

Static analysis result for SHA-256 f58b875293ea523d…

MALICIOUS

PDF

60.8 KB Created: 2020-03-29 22:32:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 562c3806b42c5edc4d17bba30dd70797 SHA-1: 2e797cd7852fceacd5a741217c13d618e510fd4f SHA-256: f58b875293ea523db415d7a47b8c056e08bea915d519ccc304680739eaa9fbb5
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. One of these links, http://74-123-77-80.mgwnet.com/uploads/1/3/0/6/130639178/130639178.html#joseph+technicolour+dreamcoat+songs+pharaoh, is directly embedded in the document body. The presence of numerous links suggests a malicious intent, possibly to redirect users to phishing sites or to distribute further malware. The document body itself contains garbled text and metadata, indicating it is not intended for direct user consumption.

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://74-123-77-80.mgwnet.com/uploads/1/3/0/6/130639178/130639178.html#joseph+technicolour+dreamcoat+songs+pharaoh
    • http://804graphix.com/uploads/1/3/0/5/130588165/a652c3ae90.pdf
    • http://crusadergames.net/uploads/1/3/0/7/130775969/1477121.pdf
    • http://tastyformydoggie.com/uploads/1/3/0/3/130323401/dfd3293.pdf
    • http://www.mindfulpathwaystohealing.com/uploads/1/3/0/7/130775347/5561502.pdf
    • http://fit4fit.net/uploads/1/3/0/7/130776166/84ff2411d.pdf
    • http://dcwconstruction.com/uploads/1/3/0/3/130323972/81aa43a4.pdf
    • http://stevefromholz.com/uploads/1/3/0/7/130776485/tokemime.pdf
    • http://robertduncan.net/uploads/1/3/1/0/131070846/74dbc.pdf
    • http://snohomishchristmastrees.com/uploads/1/3/0/3/130324027/c85e27de23760.pdf
    • http://dianabohan.com/uploads/1/3/0/2/130289220/lizukuwevojubeziz.pdf
    • http://jesalynmaeharper.com/uploads/1/3/0/5/130550796/bikuxutazore.pdf
    • http://pope3rdgrade.com/uploads/1/3/0/4/130483248/webeso-kiwim.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_off0000c4ab.bin
a8c1c694034c2107897a6b9f9abecf0a40dd17190dbe7b2da2709ab8208fc056		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC4AB 8524 bytes

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