Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd6fc88926b811da…

MALICIOUS

PDF

39.2 KB Authoring application: pdf-parser
MD5: 65e5b45eec00f6e3a43f5b58b3672984 SHA-1: e015691f84b98b90e48a4dd6a52ec714eb126078 SHA-256: cd6fc88926b811daf51616a3f20d12e2849d1b27251bee3cc18b388320b150f9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external PDF files, indicating a link farm strategy. This is consistent with phishing or SEO poisoning campaigns designed to drive traffic to malicious sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent.

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://okc-spw-01.ad.laso.org/uploads/1/3/0/9/130969738/vitesutanug_guxemizanika_winezadezu_fenenebupa.pdf
    • http://www.fleurieufringe.com/uploads/1/3/0/8/130873937/1853376.pdf
    • http://chris-silverman.net/uploads/1/3/0/4/130476243/savuvij_basefakom_jusapun_lepos.pdf
    • http://takiha.com/uploads/1/3/0/5/130542907/9523260.pdf
    • http://michianadrugtestingcenter.com/uploads/1/3/0/4/130491181/5670745.pdf
    • http://zuqiuxiezi.jhamrick.com/uploads/1/3/0/2/130289429/9320622.pdf
    • http://mta-sts.mail.hawaiianbar.org/uploads/1/3/0/5/130588989/dovababatodukiw.pdf
    • http://liftuplab.com/uploads/1/3/0/6/130621701/zikuxum_ruvor_sirojetujagud_ninavuwo.pdf
    • http://barleyandknob.com/uploads/1/3/0/8/130813967/mexaxexavax.pdf
    • http://morjana.net/uploads/1/3/0/4/130483801/ac6813a6191837.pdf
    • http://madebymikeyx.com/uploads/1/3/0/6/130639557/bituwim.pdf
    • http://www.runbnb.net/uploads/1/3/0/8/130874587/vigija.pdf
    • http://4picsell.com/uploads/1/3/0/6/130603895/7688918.pdf
    • http://mta-sts.mail.gnv-daerligen.ch/uploads/1/3/0/2/130289310/tunituderekaga.pdf
    • http://ohrsaadya.net/uploads/1/3/0/4/130489386/2374852.pdf
    • http://dothedavey.com/uploads/1/3/0/5/130542968/1482064.pdf
    • http://tileinstallminneapolis.com/uploads/1/3/0/9/130969986/e812a64d775f4.pdf
    • http://swoapy.com/uploads/1/3/0/7/130740265/c4f9d6318595268.pdf
    • http://unrpad.org/uploads/1/3/0/7/130739284/wisigusevuvim_tanidi.pdf
    • http://61005.brdge.org/uploads/1/3/0/4/130476804/130476804.html#facts+about+african+swine+fever+in+the+philippines
    • http://liftuplab.com/uploads/1/3/0/6/13062170

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003a0b.bin
996db6a5db3b31c43e9ab75b1ff5678b79482fd3bb2e4fe726bd1f5a7a7b3acf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3A0B 8220 bytes

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