Malicious PDF — malware analysis report

Static analysis result for SHA-256 e384129264e4999f…

MALICIOUS

PDF

40.4 KB Created: 2020-06-12 04:37:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 63f56ebb4c87f4eda333b285533b4579 SHA-1: 1bffe2d97c59bac16967a3a43a88f7953da5ab9b SHA-256: e384129264e4999fa13ac987d2edc29ba4b46dd159d97b474ee6e8f7d3c2a1f8
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting an attempt to manipulate search engine results or distribute content through a link farm. The document body itself is largely unreadable binary data, but it does contain some of the URLs. 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://mail.deligleba.com/uploads/1/3/0/6/130639438/130639438.html#guideline+running+line
    • http://teresalam.com/uploads/1/3/0/8/130873998/bunedizemix.pdf
    • http://valoremplus.com/uploads/1/3/0/6/130639489/soruman.pdf
    • http://forthehopechest.com/uploads/1/3/0/6/130639775/06ddf35f3e6.pdf
    • http://jim.carstensindustries.com/uploads/1/3/0/9/130969032/e1faa.pdf
    • http://highaltitudethundervolleyball.com/uploads/1/3/0/5/130589035/riwoporadot_susunido_sajuw.pdf
    • https://zexixomiwos.files.wordpress.com/2020/06/15937866563.pdf
    • https://tosuvodetevo.files.wordpress.com/2020/06/gegazakaseker.pdf
    • https://pilelebomu.files.wordpress.com/2020/06/43989866516.pdf
    • https://bumolugajer.files.wordpress.com/2020/06/72946011243.pdf
    • https://sajolesogiw.files.wordpress.com/2020/06/62954913695.pdf
    • https://sudemep253065703.files.wordpress.com/2020/06/kozejusut.pdf
    • https://gitebilav.files.wordpress.com/2020/06/75239091414.pdf
    • https://mozovubebu.files.wordpress.com/2020/06/54651717311.pdf
    • https://sakadukil.files.wordpress.com/2020/06/3906873666.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_off00006ff1.bin
3b360b719ddd7d0cc79e0d203247b1cf8fa12b3e0f88e91c0c17061f2fe70186		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FF1 11148 bytes

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