Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca5189307e3d9261…

MALICIOUS

PDF

92.6 KB Created: 2021-03-21 23:39:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 50c04b1c1bb34f3abb62c51104fd45a4 SHA-1: 52a1471505ae9a6fd4d550b2c0015b4909c5cd6e SHA-256: ca5189307e3d9261d793fa13e0de1b7e084cbeb3779b66f971da0c0a2b37541a
94 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. Although no scripts were explicitly extracted, the PDF structure and the nature of the embedded URI suggest it is designed to facilitate phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9622

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 https://gimoguvi.ru/strik?utm_term=samsung+rf4287hars+door+parts
    • http://lordtrans.ru/the_ministers_black_veil_analysis4l3hg.pdf
    • http://ladekepevij.mygamesonline.org/what_is_the_angel_number_802_meaning.pdf
    • https://mikudope.weebly.com/uploads/1/3/5/3/135305195/tobako.pdf
    • http://gekifek.scienceontheweb.net/21301948398.pdf
    • http://kismyketio.com/gupolawiwivegufelidokujpr5lk.pdf
    • http://mapebudo.getenjoyment.net/wegosox.pdf
    • https://wekosidofanepa.weebly.com/uploads/1/3/2/6/132696212/9057360.pdf
    • http://tonukavugu.mygamesonline.org/37323094174.pdf
    • http://wojesukuzak.mygamesonline.org/79148564075.pdf
    • http://pazadixokumox.sportsontheweb.net/pesakedezalaja.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/tiniruru/23643251312.pdf
    • https://uploads.strikinglycdn.com/files/7ff9edfc-a025-4e5e-8523-74dba0c60ac1/how_to_explain_the_word_opposite_to_a_kid.pdf
    • http://nufiwimuzobo.onlinewebshop.net/77922450274.pdf
    • https://uploads.strikinglycdn.com/files/5639d592-6837-47c4-ad41-72b15baf8552/80079053577.pdf
    • https://s3.amazonaws.com/bisute/microsoft_cortana_app.pdf
    • https://s3.amazonaws.com/tinezedu/91218499111.pdf
    • http://pekowob.onlinewebshop.net/segolegirobexemegiwu.pdf
    • https://s3.amazonaws.com/zuponefi/azhari_network_naat_sharif.pdf
    • https://s3.amazonaws.com/jukezeluf/anoint_guide_poe.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001467b.bin
a76ce3447714e012e4de4f9461be5e66468b4b906c87cd0880c3f272083a7892		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1467B 6020 bytes

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