Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc5f16e20a3365ac…

MALICIOUS

PDF

38.4 KB Created: 2020-04-14 22:11:07 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4d5dacd9695ba1335a62f92eb376270f SHA-1: a2024a9119b6e96e7bdcc0c7c2937338cbd21219 SHA-256: fc5f16e20a3365ac7680b5c0817b5c2db2a83e479c23e54cff44f75cf5f12dba
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to other PDF files hosted on various domains. This pattern is indicative of a link farm or a method to distribute malicious content indirectly. The document body mentions 'Camps bay high school application forms 2020', suggesting a lure to trick users into clicking the embedded links.

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://shopbelfast.info/uploads/1/3/0/3/130379506/130379506.html#camps+bay+high+school+application+forms+2020
    • http://equitynowandassociates.net/uploads/1/3/0/6/130620283/78f3e161a.pdf
    • http://villageorgiamartinique.com/uploads/1/3/1/4/131407194/fisufigesafasib.pdf
    • http://actionawningsandupholstery.com/uploads/1/3/1/4/131406036/gupiz_nanekoduvireje.pdf
    • http://bliro.org/uploads/1/3/0/8/130874297/jaloneju.pdf
    • http://sparkpowell.com/uploads/1/3/0/7/130775130/d30803e2.pdf
    • http://guizartennisacademy.net/uploads/1/3/0/2/130270912/2898738.pdf
    • http://standrewsayr.org/uploads/1/3/0/4/130483649/watozit_rewotes_kigajixade_nuruloxefapude.pdf
    • http://bigfactore.com/uploads/1/3/0/4/130483138/gotetividedifikowis.pdf
    • http://unicornsontheloose.com/uploads/1/3/0/8/130813770/puwovukowiju-xevudofe.pdf
    • http://traceetreasures.com/uploads/1/3/1/4/131406931/3542355.pdf
    • http://alternativeholisticwellness.com/uploads/1/3/1/3/131383753/05fe7105689.pdf
    • http://outandequalseattle.org/uploads/1/3/0/8/130874085/navegiregabepe_sutiwujoxamuv.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_off00006d64.bin
a026b1170e49934e5020f716cef471280d052acbcace7fefe1ff788be84c2e35		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D64 8400 bytes

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