Malicious PDF — malware analysis report

Static analysis result for SHA-256 55d4618be08fbe02…

MALICIOUS

PDF

38.8 KB Authoring application: pdf-parser First seen: 2021-02-19
MD5: 21506329e26993845cd1afbcb32c0341 SHA-1: 78f15af540477eaef0565c697efd53c8f4b376ba SHA-256: 55d4618be08fbe024a9ba7f7b3e3143b0063c3ee5fcac7b07153e08cbc9a9284
152 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7846722-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7846722-0
  • 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.
  • 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://tandb.net/uploads/1/3/0/6/130639037/8382b79.pdf In PDF document text
    • http://allurebundlesandmore.com/uploads/1/3/0/6/130620435/ccb5ecc.pdfIn PDF document text
    • http://kristinacsanaky.com/uploads/1/3/0/5/130547405/xozeviwizapapaxa.pdfIn PDF document text
    • http://crystalmclainarts.com/uploads/1/3/0/6/130621498/1727027.pdfIn PDF document text
    • http://missionvalleyacu.com/uploads/1/3/0/2/130287942/kuraveraveluxilik.pdfIn PDF document text
    • http://barbwireandgrace.com/uploads/1/3/0/2/130287946/bifup_gifukaninamoje_tokabotafuwos_xisakijowejuvu.pdfIn PDF document text
    • http://mofesoxive.holl.online/uploads/2020/01/28/350508.pdfIn PDF document text
    • http://connectingmoments.co.nz/uploads/1/3/0/5/130545932/6601473.pdfIn PDF document text
    • http://mymoneybuilder.net/uploads/1/3/0/5/130545098/130545098.html#barbara+martinez+arrieteIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A1 8264 bytes
SHA-256: 8cd3cf366584ad52c8d53580b6fbea1962c25809674e8587dc6a30dc74a553d1

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