Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ce28ddeea39fd32…

MALICIOUS

PDF

42.1 KB Authoring application: Serif PagePlus
MD5: b4f0a8ff03e202f66768095a7a113dd8 SHA-1: 2b2e54de8c8c646f5faa581dfc45a1b9c0219b74 SHA-256: 5ce28ddeea39fd32da3bd17043bf3fd355a8e8a65c2b6bed03115f08146bf20e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, as detected by the PDF_SEO_LINK_FARM heuristic. These links point to numerous PDF files hosted on various domains, suggesting a link farm or a distribution mechanism for further malicious content. The ML classifier and ClamAV also flagged this file as malicious, with ClamAV identifying it as Pdf.Phishing.TtraffRobotInstall.

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://entertainmentaccelerator.com/uploads/1/3/0/6/130621349/fareguw_sofiwumogela_sagupibam_pafugojijek.pdf
    • http://mx.idealconstructiongroup.com/uploads/1/3/0/4/130435577/3033428.pdf
    • http://brooklyneventstudios.com/uploads/1/3/0/6/130603913/renibuzezelom.pdf
    • http://portaferrysailsandsounds.co.uk/uploads/1/3/0/5/130544379/dadefajotijozet-ropatowenur-gowixugujo.pdf
    • http://chicagostpatricksdayparade.com/uploads/1/3/0/5/130590393/536fe2013.pdf
    • http://newsandroidapps.com/uploads/1/3/0/6/130622053/4483580.pdf
    • http://joedefeo.net/uploads/1/3/0/7/130738835/3ae02f2edd8b4e3.pdf
    • http://aaronkleiber.com/uploads/1/3/0/4/130483202/bdcdd174e.pdf
    • http://kevinpistole.com/uploads/1/3/0/4/130435998/lanapewav.pdf
    • http://nextbuildingforum.com/uploads/1/3/0/7/130775892/661523.pdf
    • http://lfsrm.net/uploads/1/3/0/7/130738964/zuxokeguwi_bexomuviwupebi_sowep_gebajusemojezap.pdf
    • http://churnminator.io/uploads/1/3/0/6/130620863/9c899497dee5ae9.pdf
    • http://my-riverside-dui-lawyer.com/uploads/1/3/0/5/130550652/1648266.pdf
    • http://tieagele.com/uploads/1/3/0/5/130551991/9546487.pdf
    • http://hoteltopazz2018placeholder.devsite-1.com/uploads/1/3/0/7/130776612/130776612.html#past+perfect+progressive+passive+bildung
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030fb.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30FB 16204 bytes
font_01_sfnt_off00004949.bin
d3b992a83a190e02c9c772951f43e18e658902057efc2d55b830d5d92d19ce19		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4949 8772 bytes

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