Malicious PDF — malware analysis report

Static analysis result for SHA-256 b28caf2ddd5cc5b5…

MALICIOUS

PDF

180.2 KB Authoring application: Mobipocket Creator First seen: 2020-09-07
MD5: e6afa2027f939fddc7ecb988d73b0225 SHA-1: 889bc9c93e12eb676193b09224cedbb2ad94d25b SHA-256: b28caf2ddd5cc5b5f804c00625d0d79d27d63c5e4cb2b71739a76c9d65490769
94 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file is a PDF containing multiple embedded URLs, identified by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0. The ML classifier also flagged it as malicious. The embedded URLs likely serve as lures to download further malicious content, such as additional PDFs or executables. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://505elementsstudios.com/uploads/1/3/0/2/130270979/2ab2b3c5436d647.pdf PDF link annotation
    • http://nuohotel-zh.devsite-1.com/uploads/1/3/0/7/130740097/dumipukatuw.pdfIn PDF document text
    • http://nyc-distribution-film-festival.org/uploads/1/3/0/4/130436494/xekajezo_juletu_suziwofo_verinusozonewi.pdfIn PDF document text
    • http://zachchasman.com/uploads/1/3/0/6/130604326/903eed6cff.pdfIn PDF document text
    • http://merz-verlag-en.com/uploads/1/3/0/7/130740458/859773.pdfIn PDF document text
    • http://bubblegumfantasies.com/uploads/1/3/0/6/130621952/lazeke.pdfIn PDF document text
    • http://erguvanmobilya.com/uploads/1/3/0/6/130622005/robelokuko_regebededujate.pdfIn PDF document text
    • http://rollershadeiq.com/uploads/1/3/0/6/130620762/1ee5d79a.pdfIn PDF document text
    • http://bitmoremarketing.com/uploads/1/3/0/4/130476722/turoxabadinepoteb.pdfIn PDF document text
    • http://formerfdainspector.com/uploads/1/3/0/3/130312961/e9ae5483.pdfIn PDF document text
    • http://josephwalker.net/uploads/1/3/0/3/130323581/a5c909ea9a476.pdfIn PDF document text
    • http://sensiblesourcing.com/uploads/1/3/0/6/130620471/sejesipisido_desilitokuk_xofam_lafemejope.pdfIn PDF document text
    • http://money4real.org/uploads/1/3/0/5/130590550/keremotin-sozinen-petijusi-lifarefalila.pdfIn PDF document text
    • http://prisonlifeline.net/uploads/1/3/0/6/130621458/fumepapupelazi.pdfIn PDF document text
    • http://oregonphotoco.com/uploads/1/3/0/7/130739488/lozipizujawez.pdfIn PDF document text
    • http://cjwalkerbooks.com/uploads/1/3/0/8/130814758/aeb38a40693.pdfIn PDF document text
    • http://theleftsock.com/uploads/1/3/0/2/130272095/9d39fceca0.pdfIn PDF document text
    • http://airinbudiman.com/uploads/1/3/0/7/130775932/92257fa3.pdfIn PDF document text
    • http://westcoastoralfacialsurgery.com/uploads/1/3/0/6/130621013/0651454.pdfIn PDF document text
    • http://policetrailer.com/uploads/1/3/0/7/130739204/130739204.html#scalp+acupuncture+points+for+autismIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
🗂 Part of campaign: arapaho-massage.com 15 samples

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006abd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ABD 2700 bytes
SHA-256: 71ed75134d20e6bc5cc29282c28481a5ac129012755350d539ee0f62b77a76ee
font_01_sfnt_off00007751.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7751 9500 bytes
SHA-256: 711c037d0f5da1ca0b0e3962c38beefad7b5fd4b9d320557411027f98e1f1359
font_02_sfnt_off00014dde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14DDE 16204 bytes
SHA-256: f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d