Malicious PDF — malware analysis report

Static analysis result for SHA-256 178e71984c43d9e4…

MALICIOUS

PDF

41.5 KB Authoring application: QPDF First seen: 2021-01-10
MD5: 25948a897ab9913a1004ab4b178a7ef7 SHA-1: a84aad489d64f6c7a05e8bbd37eb2873962fe263 SHA-256: 178e71984c43d9e4bb35cb67bf9e658bbb050013d2611552fafb7a4cea4d7955
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://oakridgefootballbooster.com/uploads/1/3/0/6/130604919/zebasesopu.pdf In PDF document text
    • http://suzanneensmann.com/uploads/1/3/0/4/130478106/miroxolodojeto.pdfIn PDF document text
    • http://refugedajourney.com/uploads/1/3/0/6/130621603/7611276.pdfIn PDF document text
    • https://petufadede.weebly.com/uploads/1/3/0/3/130313429/talam.pdfIn PDF document text
    • http://natgastrucks.com/uploads/1/3/0/5/130542781/9873861.pdfIn PDF document text
    • https://sawemabigiwem.weebly.com/uploads/1/3/0/5/130589270/nuxipozajakadafagi.pdfIn PDF document text
    • http://celiasbakery.com/uploads/1/3/0/3/130313044/2901036.pdfIn PDF document text
    • http://familiarizarse.info/uploads/2020/01/27/dovibifera_xogiteb.pdfIn PDF document text
    • http://vegetariantravel.com/uploads/1/3/0/3/130313336/vovoxo.pdfIn PDF document text
    • http://kupitonline.info/uploads/2020/01/27/b284ad2e44a.pdfIn PDF document text
    • http://podarysam.ru/uploads/2020/01/28/8754506.pdfIn PDF document text
    • http://carlocornelli.com/uploads/1/3/0/6/130621677/cc3a70c0de2e.pdfIn PDF document text
    • http://mudtires.ca/uploads/1/3/0/6/130605269/130605269.html#eclipse+luna++linux+64+bitIn PDF document text
    • http://www.adobe.com/).NotoIn extracted file (font_01_sfnt_off00005a82.bin)
    • http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn extracted file (font_01_sfnt_off00005a82.bin)
    • http://scripts.sil.org/OFLNotoIn extracted file (font_01_sfnt_off00005a82.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12C0 8244 bytes
SHA-256: afad30427620f451df92b6c9ea9c98cc2ad8cc5f6e0418270d0574e7bddf288e
font_01_sfnt_off00005a82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A82 6804 bytes
SHA-256: 25e76ddb306a2fa0deae8bd0cc3322c9f9dbaa5890558fba7b0056acb279b814