Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef70652f054d7049…

MALICIOUS

PDF

34.0 KB Created: 2020-05-13 23:54:13 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8e67cf3c9019ce452179b89cd13f1761 SHA-1: 5ce72823d7090e48df8e9a28aef6df60823a7cd7 SHA-256: ef70652f054d704926bb1a7ec954c82a6eea179f6b302f6dd91e80c3b76bac4a
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 pointing to a network of websites designed to appear as a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates that these are likely SEO-optimized pages intended to drive traffic. The embedded URLs and the document body content suggest a lure related to 'teatv app apk', likely a pretext to encourage clicks on the malicious 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://fitsliceoflife.com/uploads/1/3/0/5/130546036/130546036.html#teatv+app+apk
    • http://drgnzombiestournament.com/uploads/1/3/1/3/131380063/xotudoz_nexawamilidof.pdf
    • http://mdlockandkey.com/uploads/1/3/0/5/130543855/mazelolaxifuzil.pdf
    • http://costassolutions.com/uploads/1/3/0/4/130475909/455f262347adaa8.pdf
    • http://fabiennedoze.com/uploads/1/3/0/7/130775084/1b366.pdf
    • http://brett-candace.com/uploads/1/3/0/5/130550681/pulusijosor_rajefuwet.pdf
    • http://spectrumartist.com/uploads/1/3/1/6/131636651/botudijab_vogatimetufivo_bitusiti.pdf
    • http://trilbyretreat.com/uploads/1/3/0/5/130590235/morix-munorasofef.pdf
    • http://jpm3i.com/uploads/1/3/1/4/131453016/demuv.pdf
    • http://soberlivingjourney.com/uploads/1/3/1/3/131398479/7463431.pdf
    • http://sonjakjar.net/uploads/1/3/1/4/131452782/gisoloxu.pdf
    • http://seneleygreenparishcouncil.com/uploads/1/3/1/4/131483491/xowija_denuxut_rufojefat_sorifafaxuzuz.pdf
    • http://peopleofthestreets.net/uploads/1/3/0/2/130291996/1659194cba.pdf
    • http://sxmrentalcar.com/uploads/1/3/0/2/130289510/9f1d16c0.pdf
    • http://dojofernandoalonso.nl/uploads/1/3/0/7/130775388/sirapebu-bebukugudujorom-wemijovutimid.pdf
    • http://susandeckercustomtiles.com/uploads/1/3/1/4/131438641/d431a62311.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_off00005bc3.bin
8ca000d0c881cefe9f9e647ed1e5bff34bb73355bd216c43152a04bc60110af0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BC3 9708 bytes

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