Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2ce8a5e7339938b…

MALICIOUS

PDF

33.9 KB Created: 2020-05-30 21:56:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fe29300de6523d2845d874bc2638b54 SHA-1: ac5e61a11d556a02d3714ad90c1a2aa372c039c9 SHA-256: a2ce8a5e7339938b3dc5bbf3c5fd2a7384a23918f42cf3c32a9f0076f7829cde
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, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or distribution mechanism. The document body contains fragmented text and metadata, but the primary malicious activity appears to be the aggregation and presentation of these 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://joethomasoncomedy.com/uploads/1/3/0/8/130813730/130813730.html#becoming+the+iceman
    • http://akulaschool.org/uploads/1/3/1/1/131164114/9061445.pdf
    • http://threesisterswillowglen.com/uploads/1/3/0/4/130435701/1b4049d62.pdf
    • http://holjormac.org/uploads/1/3/0/4/130483781/7692986.pdf
    • http://leongathabuilder.com/uploads/1/3/0/2/130289676/ff60f.pdf
    • http://cloudbastard.com/uploads/1/3/1/3/131398195/974f5c78496.pdf
    • http://xyzcoaching.xyz/uploads/1/3/0/9/130969842/wajijepom.pdf
    • http://eastvalleychristmaslights.com/uploads/1/3/0/4/130476263/4297452.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_off00005900.bin
331d9cc4c8b2b0ac3b6186f42c4694615d4e49da6b09dd6a1a124630dba905d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5900 10576 bytes

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