Malicious PDF — malware analysis report

Static analysis result for SHA-256 df0b39f40ec7f2b6…

MALICIOUS

PDF

37.6 KB Created: 2020-04-17 17:28:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 848faf75a7b4a973767a2953fa62db00 SHA-1: 1e2bbcdb9a6482f1707a6a3c1000a33837eaedbe SHA-256: df0b39f40ec7f2b6201102ccfa2b6bd41c9c8e9d9763ab1f4cc16c8ecf8b8904
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to PDF files hosted on various domains. The document body text mentions 'Picsart baixar apk', suggesting a lure to download an application. The embedded URLs likely serve as a link farm to distribute malicious content or redirect users to phishing sites. 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://noafconsultingservices.net/uploads/1/3/1/4/131408567/131408567.html#picsart+baixar+apk
    • http://sunshinevacay.net/uploads/1/3/0/5/130544132/fonosubon.pdf
    • http://directnewscommentary.com/uploads/1/3/1/4/131453560/xigapa.pdf
    • http://treehousebuys.com/uploads/1/3/0/2/130289352/fugitenutuwipi.pdf
    • http://crepesmobile.com/uploads/1/3/1/4/131453215/zetekavejazagu-bulibuvanevazo-refeposus.pdf
    • http://heritagehighway120.com/uploads/1/3/1/4/131437092/dovebezetoweji-nudelig.pdf
    • http://ozarklandscapinganddesigns.com/uploads/1/3/0/5/130543318/6804465.pdf
    • http://agapeeducationalconsultantsandtrainers.org/uploads/1/3/0/4/130488861/a8ca0d4.pdf
    • http://matthewscanon.com/uploads/1/3/0/4/130483540/4122317.pdf
    • http://arsocialmediard.com/uploads/1/3/0/7/130738946/simobas.pdf
    • http://lovelaughterandreallife.com/uploads/1/3/0/8/130873923/314638.pdf
    • http://natru.net/uploads/1/3/0/6/130604708/02e95ff7f0f7.pdf
    • http://centralpaeoe.com/uploads/1/3/0/5/130551249/tobola_lepami_zobawumog_mixazerifo.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_off00006b67.bin
c14c2e7dea9bf4c7bcb9eec7716e43794d45e2e29b10e515e3d41f60e0e73dc5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B67 8136 bytes

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