Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2b5d2ca0fc4ce38…

MALICIOUS

PDF

45.2 KB Authoring application: ImageMagick
MD5: e52c105c40744a760010623424652bea SHA-1: ec25dd0b1eb9ffb5b53caf3cb1262d13460d8fca SHA-256: b2b5d2ca0fc4ce387a93762d958bf21f7ec65858e1fdcea54936ca537e6e2ad2
152 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a common tactic for SEO poisoning and phishing campaigns. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The document body, though partially corrupted, mentions sheet music and includes numerous URLs, reinforcing the lure to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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 https://tukogeburujik.weebly.com/uploads/1/3/0/4/130489434/14e8d9f734d.pdf
    • http://woj.ants-life.ru/uploads/2020/01/28/7657899.pdf
    • http://mesukagela.dobrydom.info/uploads/2020/01/27/5bf31ae9.pdf
    • https://fasarakepiku.weebly.com/uploads/1/3/0/5/130542860/863aa05558e225.pdf
    • http://msllv.net/uploads/1/3/0/2/130288567/nigokotigifiduw.pdf
    • http://stjohnlutheranruma.com/uploads/1/3/0/6/130622009/lalozufabupilereg.pdf
    • http://traillifeva2424.com/uploads/1/3/0/5/130550952/8b516401655e607.pdf
    • http://wiletu.lermind.com/uploads/2020/01/28/9f13d729ae9b8.pdf
    • http://artisaneatware.co.za/uploads/1/3/0/3/130323392/1375180.pdf
    • http://amenitiesgalore.org/uploads/1/3/0/2/130289580/9062272.pdf
    • http://racersedgebooks.com/uploads/1/3/0/4/130489220/tiliga.pdf
    • http://miomondo.com.au/uploads/1/3/0/6/130621353/34736c335fc.pdf
    • http://brokenglass.us/uploads/1/3/0/5/130589261/bb6a8e.pdf
    • http://krasnodar-reshenie.ru/uploads/2020/01/28/zimizif.pdf
    • https://xexorulotixunuw.weebly.com/uploads/1/3/0/5/130550722/xojiweseguwalil_nasubipin_lofudunit.pdf
    • http://ratuborem.listicdana.com/uploads/2020/01/28/liwedujizog-nubuvasapidu-zivix.pdf
    • https://jaketomiwajax.weebly.com/uploads/1/3/0/6/130603789/b380ab0a07a3.pdf
    • http://rmmsocial.com/uploads/1/3/0/5/130588506/judopirup_pigoje_bipukopobujop_dogosa.pdf
    • http://iweargreatness.com/uploads/1/3/0/5/130546742/130546742.html#trumpet+solo+sheet+music+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000155a.bin
e3d2a0065f2519474c26904ee3dd9659afbf14cb091e8fcf2de149d7c73b2bfd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x155A 9512 bytes

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