Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a519a268f5e245e…

MALICIOUS

PDF

113.0 KB Created: 2020-05-07 01:10:22 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5c6428b8923c78daa757ec50bde4e777 SHA-1: 51c20be1a263b88781e69a1f152fbe545d3ce6f5 SHA-256: 4a519a268f5e245ed783174a421c889fe803c1a792094cdf302fbb9bd2082269
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a distribution point for further malicious activity. The document body contains garbled text and a reference to a Django template, but the primary malicious intent appears to be the mass of external URLs.

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://overlandremovalswhitsundays.com/uploads/1/3/0/5/130550890/130550890.html#django+template+if+list+not+empty
    • http://jek-online.com/uploads/1/3/0/7/130776677/3834064.pdf
    • http://zuiderhavendijkconcert.com/uploads/1/3/1/6/131637853/9336043.pdf
    • http://eatplantsbewell.com/uploads/1/3/0/9/130969086/4552210.pdf
    • http://youliveyoulearnyouupgrade.com/uploads/1/3/0/3/130323113/33e925b783ec5cb.pdf
    • http://fergusonhomebuilders.com/uploads/1/3/1/0/131069898/lusadivemalix_juvojizatuwikul_jibep.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • 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_off00018f0c.bin
7d17cf0c1e69725071bee3887c6589fef8613504d9021a38b2021e1e09714e26		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18F0C 12544 bytes

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