Malicious PDF — malware analysis report

Static analysis result for SHA-256 984bb24d7ae8ea52…

MALICIOUS

PDF

42.1 KB Created: 2020-04-09 17:32:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5226d1ba4f89811bdc54fabeaee64f33 SHA-1: f99e688d6681a4b04ab09bec16cae1aa165aa2d0 SHA-256: 984bb24d7ae8ea5247242a7b4fa8204a727b6d259d1413314bbe5000b7b4d2c0
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded 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 SEO poisoning tactic. The document body contains the phrase 'Zones of regulation goals' and mentions the authoring application, but does not provide further context for the malicious intent beyond the link farm. 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://estudio-thuban.com/uploads/1/3/0/5/130550915/130550915.html#zones+of+regulation+goals
    • http://reverbcrew.com/uploads/1/3/0/8/130873840/2a4ca1e831c.pdf
    • http://bisharpening.com/uploads/1/3/0/6/130622053/d5c89f8106.pdf
    • http://thechairseatweaver.com/uploads/1/3/0/6/130603692/5950a3c.pdf
    • http://studioviemen.com/uploads/1/3/0/9/130969603/2763475.pdf
    • http://parvizbagherzadeh.com/uploads/1/3/0/2/130288731/zegijiwexujodap_zubuxokofus_famites.pdf
    • http://twhatreviews.com/uploads/1/3/0/5/130540661/e4fbfb4b05.pdf
    • http://ldroman.com/uploads/1/3/1/1/131163669/gibaxi.pdf
    • http://jesuslifecentre.org/uploads/1/3/0/3/130323381/0a04fa5f037.pdf
    • http://localcityshopping.com/uploads/1/3/0/2/130272921/jebixikiwil_dofifivezepos_posujunuto_satis.pdf
    • http://visualvaluevinyl.com/uploads/1/3/0/2/130273845/xofupo.pdf
    • http://malteranalytics.com/uploads/1/3/0/4/130478663/3373975.pdf
    • http://talatillpunkt.com/uploads/1/3/0/3/130313316/2006143.pdf
    • http://literacycenterofconejovalley.org/uploads/1/3/0/2/130273846/kibakupiwolop.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_off00007d35.bin
721bd7a917de1e90548ee9f2a73e3afecc663fdd4c8854aafb56334efa044ac3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D35 7880 bytes

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