Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c022a78d687c387…

MALICIOUS

PDF

38.4 KB Authoring application: LibreOffice Draw
MD5: 0925ddb4a7fdd2c505406a1137eda1a0 SHA-1: 2e0810126b268f8d55b236c05204dd2898ea381f SHA-256: 7c022a78d687c38795f8cf781c3f2430583ced2b2f63e4a08681ccb38e6cfaf6
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to other PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or traffic-driving intent. The presence of a visual download button further supports the lure to download potentially malicious content from the linked URLs.

Heuristics 4

  • 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
  • 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://tatismoving.ca/uploads/1/3/0/4/130488396/7502098.pdf
    • http://obedientsoftware.com/uploads/1/3/0/4/130435511/789fdfaea3dfe.pdf
    • http://kittywatchjapan.com/uploads/1/3/0/5/130551611/digowitom-wowaligo-dadokisutaxi-vumonawejapa.pdf
    • http://sezu.lesfondsdequilles.com/uploads/2020/01/28/7234a52.pdf
    • http://poziboruz.dtnore.xyz/uploads/2020/01/28/renojokagimulo_xidafajozusa.pdf
    • http://fallbrookorganictrail.com/uploads/1/3/0/5/130541623/towowar_doxijerazo_lafubapuvu_birop.pdf
    • http://brilight.org/uploads/1/3/0/6/130620267/3234d8e.pdf
    • http://selmazulma.com/uploads/1/3/0/4/130489564/531351.pdf
    • http://dobikeplan.com/uploads/1/3/0/5/130588987/ziravuxivi.pdf
    • http://sukul.tilr.icu/uploads/2020/01/28/6ab0788af2094a.pdf
    • http://omgcolors.com/uploads/2020/01/28/761063.pdf
    • http://conectatestore.com/uploads/1/3/0/5/130539316/pogik.pdf
    • http://mrmacbiblebook2.com/uploads/1/3/0/6/130604637/130604637.html#wanted+dead+or+alive+powerpoint+template

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001308.bin
5453c898538f98efe72fb169778486e7eac9cd1f23caf60297a9f7cf42f4464b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1308 8024 bytes

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