Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f6c2174ba6986e9…

MALICIOUS

PDF

35.9 KB Authoring application: Poppler-utils
MD5: 132c3f90865b84be2b5cfba96b3e9648 SHA-1: 08b4415afc6608703fe6c52f0f113fff34fd519f SHA-256: 7f6c2174ba6986e9c76d37b276ca09fad4e45e2f912c88042067002d12a36a1a
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier also strongly suggest malicious intent. The embedded URLs are likely used to redirect users to malicious content or phishing pages. No scripts were extracted from this sample.

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://languageandlit.org/uploads/1/3/0/6/130620213/df5ded74cdf3.pdf
    • http://angelidelsorriso.com/uploads/1/3/0/2/130270941/lapirefakobase.pdf
    • http://nisfannawaz.com/uploads/1/3/0/4/130477979/kitevisilup.pdf
    • http://brawlinfo.com/uploads/1/3/0/2/130272403/peropagotetujiguwiva.pdf
    • http://drgreigltd.co.uk/uploads/1/3/0/6/130639546/227246.pdf
    • https://javudaxususun.weebly.com/uploads/1/3/0/2/130288720/db8c0.pdf
    • http://geomote-systems.com/uploads/1/3/0/4/130436071/rusoxejeligodajoduja.pdf
    • http://ngssmichigan.com/uploads/1/3/0/6/130604884/09ef91fdf3adcfa.pdf
    • http://mikeintucson.com/uploads/1/3/0/2/130272586/130272586.html#vba+excel+spreadsheet+examples

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011cb.bin
56c9ef8ccf837ccaedc3968e185e397638a89858be154cbdcfe33d47b38ba06e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11CB 8508 bytes

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