Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb0ef3b6b24bb1d5…

MALICIOUS

PDF

48.3 KB Created: 2020-04-17 20:39:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4a59ed16e2c7722b270be82688d385e5 SHA-1: 5e409bad0518cee9f7ab72d74ef292411487b9fb SHA-256: fb0ef3b6b24bb1d5c1c025f91f2557576d76e9acaa224a54033956960de65b5c
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to similarly structured URLs on different domains. This suggests a link farm or a mechanism for distributing malicious content. The primary external URI points to a travel report, likely a lure to encourage users to click through to potentially malicious content hosted on the linked domains.

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://mrmacbiblebook2.com/uploads/1/3/0/5/130589083/130589083.html#malaysia+airlines+a380+business+class+trip+report
    • http://fitrichandhappyinternational.com/uploads/1/3/1/3/131383358/3d5c91fbfec7c8.pdf
    • http://parallaxpmo.com/uploads/1/3/1/4/131408618/95f2546.pdf
    • http://highereducationcollective.com/uploads/1/3/0/5/130539518/4228965.pdf
    • http://swirlzagency.com/uploads/1/3/0/4/130483817/mesof-rugujigulidibab.pdf
    • http://pellimarket.com/uploads/1/3/0/6/130622059/rikuraxeki-davulud.pdf
    • http://jemsquare.com/uploads/1/3/0/7/130776743/3485383.pdf
    • http://harrislogandcountryhomes.com/uploads/1/3/1/3/131379132/lalaw.pdf
    • http://gilgardenorganics.com/uploads/1/3/0/5/130589360/sepom.pdf
    • http://dentalconsultantsandstaffmanagement.com/uploads/1/3/1/3/131383330/rodidofosevije.pdf
    • http://sisunutritionconsulting.com/uploads/1/3/0/5/130589299/9127900.pdf
    • http://remotesummitstories.com/uploads/1/3/0/7/130776855/mojiwaxid.pdf
    • http://graciousgowns.com/uploads/1/3/0/5/130551661/5473860.pdf
    • http://verlume.com/uploads/1/3/0/8/130874620/vabanobiruvetajike.pdf
    • http://blankstarecorner.com/uploads/1/3/0/6/130639867/kapexonewaw.pdf
    • http://dentalconsultantsandstaffmanagement.com/uploads/1/3/1/3/131383330/rodidofosevij
    • 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_off0000949d.bin
a5f0a63f5e8d61a0634aa0ec3483d1f599c7e74295c7904c3cdc1fc515573a9a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x949D 8308 bytes

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