Malicious PDF — malware analysis report

Static analysis result for SHA-256 e702864c11a4a2ea…

MALICIOUS

PDF

78.5 KB Created: 2021-04-02 10:16:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a488d8217c425a33abd7a1f3bd5b5b6e SHA-1: 8f6fc20f4692606b3a0613540f8ee29b1c82fab3 SHA-256: e702864c11a4a2ea79bde4b7b69bcdeb9028a1446c27ff0706fe28cd71ceff4d
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • 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
  • 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://botokaw.ru/award?keyword=the+four+agreements+online+pdf PDF link annotation
    • https://cdn.sqhk.co/tezofugowura/5Qge6ha/super_bomberman_4_player.pdfIn PDF document text
    • https://cdn.sqhk.co/zujubiviv/prjcjfl/48225016965.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462368/normal_5ff2c363a4d92.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415929/normal_60505629d463c.pdfIn PDF document text
    • https://cdn.sqhk.co/sepetoxofaw/Uvojept/35473578678.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473064/normal_6060200c8f595.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
    • http://pazizota.rf.gd/family_tree_website_templates_free.pdfIn PDF document text
    • https://s3.amazonaws.com/tiluwisulepam/jarifite.pdfIn PDF document text
    • https://s3.amazonaws.com/vonutavekip/81422486595.pdfIn PDF document text
    • https://s3.amazonaws.com/liluvad/sign_adobe_with_digital_id.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubifirigevi/art_of_overwatch_volume_2.pdfIn PDF document text
    • https://s3.amazonaws.com/tesotiwapax/divinity_original_sin_enhanced_edition_walkthrough_gamebanshee.pdfIn PDF document text
    • https://s3.amazonaws.com/zuvovoxigumuz/armed_response_movie_free.pdfIn PDF document text
    • https://s3.amazonaws.com/wazagidonux/acceptable_forms_of_id_for_nj_dmv.pdfIn PDF document text
    • https://s3.amazonaws.com/futamo/mifebadagenavate.pdfIn PDF document text
    • http://pufaxutunipoja.epizy.com/baldur_s_gate_dark_alliance_ps2_iso.pdfIn PDF document text
    • https://s3.amazonaws.com/xupimaral/gudelinuf.pdfIn PDF document text
    • https://s3.amazonaws.com/vitelitubovuluj/fender_telecaster_headstock_template_actual_size.pdfIn PDF document text
    • https://s3.amazonaws.com/xutomoxu/derogatory_account_on_credit_report.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_off0000e960.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE960 5284 bytes
SHA-256: 2a3cc35306c8ad90c165072b4cb5a42acdd8987a0a69045c5d6a5d9e3c7f75eb
font_01_sfnt_off0000fb2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB2F 10296 bytes
SHA-256: 10c2d8590847aca9acbbf1c5fd62995d546c1d3a875173b03e5bc7e081d8d7d1
font_02_sfnt_off00011eab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EAB 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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