Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b4acf6f3e1ddfc4…

MALICIOUS

PDF

93.2 KB Authoring application: Serif PagePlus
MD5: c911a551be5c5a9720723272157ee86e SHA-1: cc561d261ceec28783b072a72eb97083bfd9be42 SHA-256: 0b4acf6f3e1ddfc4650eabebdf77715d880187c1353ed084a14127f0a2253be5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a large number of embedded external links, a technique often used for SEO spam or to redirect users to malicious websites. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. While no scripts were extracted, the sheer volume of links suggests a phishing or redirection campaign.

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://ocwpublishing.com/uploads/1/3/0/3/130312924/cfbfb15b2.pdf
    • http://triosreadydentallaboratory.com/uploads/1/3/0/4/130477455/mujupowulil.pdf
    • http://brookity.org/uploads/1/3/0/6/130639675/rakomudile.pdf
    • http://marsdenforsenate.net/uploads/1/3/0/5/130551051/xazozenalip.pdf
    • http://www.janestorm.website/uploads/1/3/0/5/130590578/1544925.pdf
    • http://myphonexpress.com/uploads/1/3/0/6/130604675/5f3eb61b2350cfa.pdf
    • http://normaniclothing.com/uploads/1/3/0/5/130539218/6d9fcab4ebc6a59.pdf
    • http://74-123-78-236.mgwnet.com/uploads/1/3/0/5/130551330/kixunas.pdf
    • http://created4youfoods.com/uploads/1/3/0/6/130604225/nudafelu.pdf
    • http://dp360crrn.com/uploads/1/3/0/6/130604834/tejodujuredu.pdf
    • http://brazilstars.soccer/uploads/1/3/0/5/130588427/7531587.pdf
    • http://oakclass.com/uploads/1/3/0/7/130738641/130738641.html#airtel+digital+tv+plans+assam
    • 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_off0000131c.bin
109d64480f298235d83b85035a1c6cf24f45bc835b10e9a8792d44ee65dd8c22		 pdf-font-stream PDF embedded font (sfnt) at offset 0x131C 8280 bytes
font_01_sfnt_off000129a7.bin
32b54217619f9438721b423dc2f4f4da0f78781b0811ea49af2be6b0310ecf56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x129A7 16164 bytes

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