Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbfe473f70f9009d…

MALICIOUS

PDF

55.5 KB Created: 2020-03-20 15:43:41 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9398da8cef183d5259128aa91b9500a7 SHA-1: 81f8dd2683b3360523c9bcb6eba160f783ce21ff SHA-256: fbfe473f70f9009ded8a43e542651d39a32b909ef2b1b0640705b8b91f2cd8ee
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO spam operation. The document body contains garbled text but also includes a URL that appears to be part of the link farm. No scripts were extracted from this sample. The primary attack pattern involves directing users to a multitude of external resources.

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://420reason.com/uploads/1/3/0/4/130435785/130435785.html#conair+heat+sense+foot+spa+reviews
    • http://yournaturallybrightpatiocovers.com/uploads/1/3/0/5/130547418/gomunalewurim.pdf
    • http://www.fishevodevogeno.org/uploads/1/3/0/6/130640074/ba407e7cce0765.pdf
    • http://www.budapestvietnam.net/uploads/1/3/0/5/130542920/7636229.pdf
    • http://tatismoving.ca/uploads/1/3/0/9/130969209/wogabumem_nokulofusidebo_solot.pdf
    • http://jljohnsonproperties.com/uploads/1/3/0/8/130874394/a8bcf8.pdf
    • http://www.erichgeospatial.com/uploads/1/3/0/6/130604056/4973ec.pdf
    • http://www.myearthworldphotography.com/uploads/1/3/0/7/130776035/wudutizudexukabomiku.pdf
    • http://thebluebutterfly138.com/uploads/1/3/0/2/130289345/romakofepuda.pdf
    • http://www.2max.us/uploads/1/3/0/4/130478203/lijefuruziwub.pdf
    • http://katherinesiu.com/uploads/1/3/0/6/130621654/5185748.pdf
    • http://www.woodsearchrecruiting.com/uploads/1/3/0/4/130489131/257d11.pdf
    • http://vps.sosalliance.org/uploads/1/3/0/5/130551433/nirefaxavilude.pdf
    • http://prainhademorungava.com/uploads/1/3/0/5/130588502/vanup.pdf
    • http://cjentzart.com/uploads/1/3/0/7/130740571/1910552.pdf
    • http://mta-sts.mx.stipplestudio.com/uploads/1/3/0/4/130476423/9fedfd1.pdf
    • http://www.nevo-ins.com/uploads/1/3/0/2/130272600/tabepuwunizad.pdf
    • http://billsduckcarving.club/uploads/1/3/0/3/130379612/sunarerepipa_manew_kavemowede.pdf
    • http://www.radioastronomysupplies.net/uploads/1/3/0/5/130543156/nuriralozemuwewide.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_off0000aefe.bin
93ea4540557023ab64978bc640068cbcf15e37e0bf6fafe8beb6ae801c653a1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAEFE 8548 bytes

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