Malicious PDF — malware analysis report

Static analysis result for SHA-256 f09ceda6a175b676…

MALICIOUS

PDF

39.6 KB Created: 2020-03-23 10:30:26 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5c5acc310a6f8233521dc6b9c48c30b3 SHA-1: 781f5570dfde8478c10f277a221c22c781d1dda1 SHA-256: f09ceda6a175b67687d05b6d3daf6035630914b81b8e5820d0aeaccc94a5948f
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 PDF files hosted on different domains, suggesting a link farm or distribution mechanism for further malicious content. The document body itself contains garbled text and what appears to be metadata, but the primary malicious activity is the extensive list of external URLs. No scripts were extracted from this sample.

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://datanetguatemala.com/uploads/1/3/0/6/130620300/130620300.html#ejercicios+coordenadas+geograficas+1+eso+pdf
    • http://cacaitodance.com/uploads/1/3/0/6/130621525/joxegi-rawex-rudexila-gabusopimizawe.pdf
    • http://www.vrfilmco.com/uploads/1/3/0/6/130639790/009ae81cf5.pdf
    • http://nicholascomm.com/uploads/1/3/0/3/130323475/afaa048d941.pdf
    • http://businessfundingplus.net/uploads/1/3/0/5/130588769/c0a9fce0.pdf
    • http://www.oxnardpoolcleaning.com/uploads/1/3/0/4/130490151/getixirenuneki.pdf
    • http://norcaltaxi.net/uploads/1/3/0/5/130539128/8033363.pdf
    • http://divineelementsphotography.com/uploads/1/3/0/8/130814666/2691099.pdf
    • http://keepupwiththekeys.com/uploads/1/3/0/2/130291591/820f80.pdf
    • http://dayoldcupcake.com/uploads/1/3/0/3/130379415/zegusex-zipod.pdf
    • http://backattheranchgreenville.com/uploads/1/3/0/7/130739742/lereborozusewek.pdf
    • http://riverandrockexpeditions.com/uploads/1/3/0/9/130969764/6643674.pdf
    • http://mail.midwifelove.com/uploads/1/3/0/8/130874123/796faf8606.pdf
    • http://higherconsciousliving.ginadianneharding.com/uploads/1/3/0/5/130588714/tizaxitupe.pdf
    • http://mentorgeek.net/uploads/1/3/0/7/130775837/visedi.pdf
    • http://catherinemboland.com/uploads/1/3/0/6/130621490/maxokuxozev.pdf
    • http://catalystlightandsound.com/uploads/1/3/0/4/130476491/1880770.pdf
    • http://atlanticcity-bachelorparty.com/uploads/1/3/0/6/130604269/097f0f56ccece7.pdf
    • http://morewirehouseandanimal.com/uploads/1/3/0/6/130639042/b5edab494.pdf
    • http://www.thesassandhoneyco.com/uploads/1/3/0/7/130738984/gituxowo-poduzoka.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_off000070eb.bin
f9dab18831c34cf44dab064f2b4b94c98a1bed140b59841f061b229eaa40e541		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70EB 8248 bytes

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