Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2f815d6800740ac…

MALICIOUS

PDF

34.2 KB Created: 2020-05-31 18:07:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6fd6b8bb8c7a2ef7499bee4292566620 SHA-1: d6b9f2ac168b10d0be1086ff605c013ba753d5a6 SHA-256: e2f815d6800740acd8242126e3c6820b1b9f349e6cd88aa5e1551861c27519bf
102 Risk Score

Malware Insights

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

The PDF file contains a lure for an advance-fee scam, indicating a fraudulent intent. It embeds numerous external links, many pointing to WordPress-hosted PDFs, likely as part of a link farm to improve search engine ranking for malicious content. One specific URL, http://jinduyulechengbaicaihuodong.br3h.com/uploads/1/3/0/3/130313106/130313106.html#oontz+xl+speakers, is directly associated with the scam lure. No scripts were extracted, limiting the analysis of direct execution capabilities.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://jinduyulechengbaicaihuodong.br3h.com/uploads/1/3/0/3/130313106/130313106.html#oontz+xl+speakers
    • https://zizofetupasi.files.wordpress.com/2020/05/68866124949.pdf
    • https://kipevofi.files.wordpress.com/2020/05/mawiki.pdf
    • https://kotosidimof.files.wordpress.com/2020/05/19657254164.pdf
    • https://tatimubabek.files.wordpress.com/2020/05/resozu.pdf
    • https://zakudapure.files.wordpress.com/2020/05/83494093925.pdf
    • https://lotosam.files.wordpress.com/2020/05/juwekosetagugoreluraju.pdf
    • https://visazuk.files.wordpress.com/2020/05/senigife.pdf
    • https://miteduxom.files.wordpress.com/2020/05/birigonekawi.pdf
    • https://misabuvewag.files.wordpress.com/2020/05/zolomixagisizatinug.pdf
    • https://fugazuno.files.wordpress.com/2020/05/63192216057.pdf
    • https://lanotojuvon.files.wordpress.com/2020/05/40018927058.pdf
    • https://vuremaxetil.files.wordpress.com/2020/05/61126403349.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_off00005abc.bin
9cd38da33fb2638a999e4ff79220536cc29a146374882bb1728fdd8f28636c00		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5ABC 10124 bytes

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