Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a23693889542e6e…

MALICIOUS

PDF

43.8 KB Authoring application: Karbon
MD5: ebb5a416926fec437f03b4d1bdbb7354 SHA-1: 92029ab5413b779ce36d3377c8b1f676f6267bfe SHA-256: 2a23693889542e6e6037334035142f085e2352a279d8b5f1c3699f128cef2c97
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various external domains. The document body, though partially corrupted, mentions a 'Gatwick drone report', suggesting a lure to entice users to click on these links. The ClamAV detection and ML classifier further support its malicious nature, classifying it as Pdf.Phishing.TtraffRobotInstall. No scripts were extracted, but the link farm indicates a phishing or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://bellevistaassistedliving.com/uploads/1/3/0/6/130639244/39715.pdf
    • http://clarionbobcatfootball.com/uploads/1/3/0/5/130551349/nakaboxelez_xurilugezam.pdf
    • https://sovopigawerewip.weebly.com/uploads/1/3/0/3/130313088/9611503.pdf
    • http://soulfulexcursions.com/uploads/1/3/0/4/130436288/jepuxabiwexik-daredu-nowipigupumanu-ravopugi.pdf
    • http://yesbyronbay.com/uploads/1/3/0/4/130494289/6cde4e1161e.pdf
    • http://aalto.is/uploads/1/3/0/2/130287942/pitawowe_tujotes_laforixokamoja.pdf
    • http://kpsmusik.com/uploads/1/3/0/6/130621965/ledalofibemoz.pdf
    • http://bucketsofbrassandcopper.com/uploads/1/3/0/2/130289623/130289623.html#gatwick+drone+report

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011b7.bin
ea31401ef8ec260674c5802d1b051fa35e1ec5b6e7225ad2ff6f78d44f4b0e71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11B7 8540 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.