Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bd7ec1eab52319a…

MALICIOUS

PDF

36.6 KB Authoring application: Smallpdf Desktop First seen: 2021-02-18
MD5: 23b5b6b0b870e500a0e263cf4687a6ea SHA-1: 7ced14e5c2ee1ac46dbafbb4118e8a77bc7b4ce6 SHA-256: 3bd7ec1eab52319aa043a2899d3b7fa455ee4fc6f5d4e30ef1e91e6989d1f291
152 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://bestofthewestmoving.com/uploads/1/3/0/7/130740235/48cea4f.pdf In PDF document text
    • http://ler.youthinkbrand.top/uploads/2020/01/28/287fa21ad19.pdfIn PDF document text
    • http://syneride.com/uploads/1/3/0/5/130551366/fikij.pdfIn PDF document text
    • http://millark.net/uploads/1/3/0/5/130550683/2130510.pdfIn PDF document text
    • http://sanfordradio.com/uploads/1/3/0/5/130543764/ratinome.pdfIn PDF document text
    • http://rimpacsurf.com/uploads/1/3/0/5/130588841/tiluvorirarurex_risib.pdfIn PDF document text
    • http://help4helpless.org/uploads/1/3/0/7/130739894/9527928.pdfIn PDF document text
    • http://northeastmaterials.com/uploads/1/3/0/5/130547450/buzib.pdfIn PDF document text
    • http://nqxr.com.au/uploads/1/3/0/5/130539657/130539657.html#types+of+activation+functions+in+neural+networksIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11BE 8432 bytes
SHA-256: 88802b62b51b15773121f26409365197ce9c2e9c35cc5e7e102ec6f95b70c749

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