Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c099b6e73b406e0…

MALICIOUS

PDF

79.2 KB Created: 2021-03-15 08:41:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: 644461f2383f0cb33dd05d6b9c8f6d83 SHA-1: ee03b041895e998d3661ac672fe9bf7fc8109974 SHA-256: 2c099b6e73b406e00d867e92941d3ee1ab42ce632089bee36ac7595d900e9e32
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that directs users to a malicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to exploit user interaction via a malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jumiwimov.ru/wix?keyword=jim+casy+christ+figure PDF link annotation
    • http://zokidinodajives.getenjoyment.net/66888049928.pdfIn PDF document text
    • https://cdn.sqhk.co/nukunudakiju/dhehiHy/religions_of_the_world_map_activity.pdfIn PDF document text
    • https://cdn.sqhk.co/sesexibanobu/hijcDH2/parent_portal_app_for_iphone.pdfIn PDF document text
    • http://gisoboxizaza.mygamesonline.org/qu_ao_se_puede_legalizar_un_carro_para_mxico_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/vawikepaf/Ghjjaj4/invasion_of_privacy_means_in_law.pdfIn PDF document text
    • https://cdn.sqhk.co/sevidekepige/wgdidZD/52184519304.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/dezajok/latest_ipad_update.pdfIn PDF document text
    • http://zirutabu.myartsonline.com/pugafumadaxowepogomikeba.pdfIn PDF document text
    • https://s3.amazonaws.com/taturi/rumexotuw.pdfIn PDF document text
    • https://s3.amazonaws.com/xazarujokemus/nagetojosi.pdfIn PDF document text
    • https://s3.amazonaws.com/pukiza/50754302890.pdfIn PDF document text
    • https://s3.amazonaws.com/diwitapezu/korofe.pdfIn PDF document text
    • https://s3.amazonaws.com/lososimap/safetabemafeje.pdfIn PDF document text
    • https://s3.amazonaws.com/gezejoputiwinu/admission_form_for_school_2019_rajasthan.pdfIn PDF document text
    • https://s3.amazonaws.com/bupijila/65584583469.pdfIn PDF document text
    • https://s3.amazonaws.com/vebenok/43207930203.pdfIn PDF document text
    • https://s3.amazonaws.com/jikopot/extension_chrome_android_adblock.pdfIn PDF document text
    • https://s3.amazonaws.com/muvarelo/arduino_kit_price_south_africa.pdfIn PDF document text
    • https://s3.amazonaws.com/zowejunef/70147953708.pdfIn PDF document text
    • https://s3.amazonaws.com/sewamos/nigomuxivorelunipawelav.pdfIn PDF document text
    • https://s3.amazonaws.com/zetubakuz/nividabotixiba.pdfIn PDF document text
    • https://s3.amazonaws.com/fekife/35963441684.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f586.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF586 5352 bytes
SHA-256: 140fa3c444d92aaff96674e1bdb038616df01fc26b23706440344a4b4f963d91
font_01_sfnt_off00010799.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10799 11276 bytes
SHA-256: 8b2a1ca6f766eaa4de19f94f772709ae0e5de872523fbefdec07b802aa7d4e88

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