Malicious PDF — malware analysis report

Static analysis result for SHA-256 02f400964e0a1721…

MALICIOUS

PDF

41.5 KB Authoring application: OpenOffice Draw
MD5: 6949027dffba25ea345a850f6909969f SHA-1: 431614cc56b7352424fec12b7035d8147280b422 SHA-256: 02f400964e0a172178372ff2e49445fbbab741dbdfb53f6e98d4dd9d330757bc
160 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified as a link farm, pointing to other PDF files. This behavior, combined with ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and ML classification, strongly suggests a phishing or malware distribution campaign. The document body, though heavily obfuscated, contains URLs that are likely part of this malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://caseybradleyarts.com/uploads/1/3/0/3/130324164/xotejijofoxuzupuvu.pdf
    • http://nrttourscentre.com/uploads/1/3/0/6/130639566/jarojati-pimufosu-xobisivob.pdf
    • http://tomlinsonoutdoors.com/uploads/1/3/0/3/130324278/e0c55489473.pdf
    • http://tijuanadragones.com/uploads/1/3/0/3/130312937/5276188.pdf
    • http://gaji.dda-russia.com/uploads/2020/01/29/3989982.pdf
    • http://optoutlaw.com/uploads/1/3/0/6/130622061/xuzabolujo-vepovimi.pdf
    • https://fagejalunef.weebly.com/uploads/1/3/0/5/130551697/096f96d089ac06.pdf
    • http://jonahwolfraim.com/uploads/1/3/0/5/130551727/ritunefu.pdf
    • http://michaelkeithwelch.com/uploads/1/3/0/2/130272381/477908.pdf
    • http://djsacademy.com/uploads/1/3/0/6/130639145/130639145.html#bsf+tradesman+answer+key+2018+jobriya

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013ce.bin
c4cad9ab0310de9960f6cf1f56e4901c104f0f4a79ea7c0b52fb1b10d16cd9a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13CE 8392 bytes

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