Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ac9aa2b83f2899e…

MALICIOUS

PDF

95.1 KB Created: 2020-12-19 02:09:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: 2201b1a6b51816998ee3b709053dc72c SHA-1: b51b6a9e4ebc4882ca2ccc6355a1eb550316845c SHA-256: 0ac9aa2b83f2899e2d4bd026169edbd9ccdcfeef3ca632de909c1bf2ae71873f
96 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The embedded URL `https://traffnew.ru/aws?utm_term=self+guided+tours+in+rome` is likely used to deliver a secondary payload or redirect the user to a phishing site. The document body, though heavily obfuscated, contains text related to 'self guided tours in rome', suggesting a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://traffnew.ru/aws?utm_term=self+guided+tours+in+rome PDF link annotation
    • https://pajowivi.weebly.com/uploads/1/3/4/9/134904739/tufanuwenif-xegaru.pdfIn PDF document text
    • https://gepinizidewepi.weebly.com/uploads/1/3/4/3/134305752/3295146.pdfIn PDF document text
    • https://pawapuso.weebly.com/uploads/1/3/4/3/134312868/takitodinasivex_retarunofi_dakerinututu_janaza.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://static1.squarespace.com/static/5fc5d7af3398ff75154fabb7/t/5fcb5fea1415195da0846f6e/1607163888449/72320350343.pdfIn PDF document text
    • https://s3.amazonaws.com/mikibetiv/vebonipadomigakexinabuv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/055c64ec-2773-4838-ba67-541acac91c1d/ellingham_diagram_questions_and_answ.pdfIn PDF document text
    • https://s3.amazonaws.com/xifabilejilab/1751973485.pdfIn PDF document text
    • https://s3.amazonaws.com/zasepo/majedar_paheliyan_with_answer_image.pdfIn PDF document text
    • https://s3.amazonaws.com/mamukawaxatali/tasofezupotegafiviveko.pdfIn PDF document text
    • https://s3.amazonaws.com/tesodagiwor/woxoz.pdfIn PDF document text
    • https://s3.amazonaws.com/xufujofaleki/sifiwuwagolulijudagava.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5b620bd14ff0dd2bd8369/t/5fc96085b06ce308485b6a9c/1607032965894/kika_edgar_height.pdfIn PDF document text
    • https://s3.amazonaws.com/wopari/86276508402.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012aa7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12AA7 5004 bytes
SHA-256: 55558b6eeb3e6ab57731b3a41537d1936b3ec9875271284b282a0e6f45716d3c
font_01_sfnt_off00013b8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13B8F 11152 bytes
SHA-256: de2578e3b40f095015788ef8b44b7879650c0e742ab21d1bd33a5c6526a504f3
font_02_sfnt_off00016105.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16105 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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