Malicious PDF — malware analysis report

Static analysis result for SHA-256 59cc4d578aba7a67…

MALICIOUS

PDF

37.4 KB Created: 2020-05-15 19:46:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 75b4f40b2d35564b667910ed7fd21749 SHA-1: cf2a05b876b04abde445a92479c08bd877360468 SHA-256: 59cc4d578aba7a67ce869fd3a1d427ca720c07add6798d1f3f56d700c179c539
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to other PDF files hosted on various domains. This suggests a link farm or SEO spam tactic, potentially used to distribute malicious content or drive traffic to compromised sites. The document body itself is heavily obfuscated and contains metadata related to its creation, but the primary malicious activity is indicated by the extensive list of external URLs.

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://changeyourlifeloveyourlife.com/uploads/1/3/1/4/131482850/131482850.html#nccn+neutropenic+fever+guidelines
    • http://thejuliedavisteamremaxconnection.com/uploads/1/3/1/6/131637951/825007.pdf
    • http://dolespersonalizedmemories.com/uploads/1/3/0/8/130814010/zinipuzuza_duwezeru_sugobuso_loboxudog.pdf
    • http://4mahin.com/uploads/1/3/1/4/131406182/giduwizunalivu.pdf
    • http://sohoflorals.com/uploads/1/3/1/3/131398234/xebapigegeluv.pdf
    • http://plumbing719.com/uploads/1/3/1/4/131453250/lasuz_repipaxumibu.pdf
    • http://hannahpedrick.com/uploads/1/3/0/2/130272909/d488473963fe.pdf
    • http://gomii.xyz/uploads/1/3/0/3/130313089/dulam.pdf
    • http://through-the-eyes-of-another.com/uploads/1/3/0/5/130589217/5258138.pdf
    • http://slowgrinder.com/uploads/1/3/0/3/130379297/vesutopumer_bajosotulekik.pdf
    • http://encuestate.com/uploads/1/3/0/5/130540477/lasuturu_jutoxupajin.pdf
    • http://fakejustice.us/uploads/1/3/0/2/130287504/5290275.pdf
    • http://landryenterprises.net/uploads/1/3/0/6/130604203/mitalorezin.pdf
    • http://fencinghonolulu.com/uploads/1/3/0/3/130313186/jikodogus.pdf
    • http://jingcaitourism.com/uploads/1/3/0/2/130289733/307e28b.pdf
    • http://bigbobbeers.com/uploads/1/3/0/6/130604887/4c2c6.pdf
    • http://lawenforcement.services/uploads/1/3/1/6/131606492/396230.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_off0000688b.bin
99b1dcb1fa5b1a4378c58ae585e5e7d2782022030a0067fc1ecfb27338a29209		 pdf-font-stream PDF embedded font (sfnt) at offset 0x688B 9884 bytes

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