Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e9f68537e607c9c…

MALICIOUS

PDF

36.7 KB Authoring application: LibreOffice Draw
MD5: 57fd2e1b497af83cbeb168c1d83f18ca SHA-1: 9422fda72e51831ee4eaa1bcfe8133ed546b2a54 SHA-256: 8e9f68537e607c9c075b3361d6dedd86dca6e4bf4159949617b4648b729880d3
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious classification. The embedded URLs likely lead to further malicious content or phishing pages.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://massagesearchmarketing.com/uploads/1/3/0/6/130603731/9133584.pdf
    • http://pawufit.mindguru.pro/uploads/2020/01/28/7348178.pdf
    • http://gu-10led.com/uploads/1/3/0/4/130477864/zesunanefarak_nojavezejanezo_xokat_tatexogadarel.pdf
    • http://vtop.store/uploads/1/3/0/4/130478868/9501126.pdf
    • http://microblading-amsterdam.com/uploads/1/3/0/6/130604639/03385f110f11954.pdf
    • http://damiandineen.com/uploads/1/3/0/4/130435598/porub.pdf
    • http://dianehunterart.com/uploads/1/3/0/4/130476505/8124565.pdf
    • http://battnetwork.com/uploads/1/3/0/2/130287313/0215819.pdf
    • http://theelfbox.com/uploads/1/3/0/5/130588393/130588393.html#eclampsia+treatment+acog

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001193.bin
afa367b55be2170d003960a17a613f1dfec97703ca4aa7302b87ed9e54e40c4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1193 8216 bytes

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