Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e1546908a51dbca…

MALICIOUS

PDF

75.2 KB Created: 2021-02-23 00:41:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 9e721c8e9b99071bd5b77b8609c05805 SHA-1: 0dc0457dd3c8c6950e8c309ef343f1e9c583aa07 SHA-256: 0e1546908a51dbcad20bdc2c10196a0ceb910f80bfde1a3b27482d70c24d05f2
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ClamAV and an ML classifier. It contains an embedded URL pointing to a suspicious domain, likely intended to host malicious content or phishing pages. The document body, though heavily obfuscated, contains keywords related to health tracking, suggesting a lure for users interested in such topics.

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://leonvi.ru/strik?utm_term=loseit+healthometer+scale PDF link annotation
    • https://cdn.sqhk.co/vomifavafo/iaRijie/13398638328.pdfIn PDF document text
    • https://cdn.sqhk.co/zikufojigox/jaV0yjd/gaxepoxevubikomodojopazin.pdfIn PDF document text
    • http://movigakamemik.22web.org/how_much_does_old_navy_pay_sales_associates.pdfIn PDF document text
    • http://tulakijumipad.22web.org/ergobaby_performance_bundle_of_joy_baby_carrier.pdfIn PDF document text
    • https://cdn.sqhk.co/kusamika/FWaOZib/groupon_merchant_services_contact_number.pdfIn PDF document text
    • http://korirojasutito.22web.org/maduwew.pdfIn PDF document text
    • http://peroruse.iblogger.org/xofolewikix.pdfIn PDF document text
    • http://vofovadero.22web.org/25979806733.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • https://s3.amazonaws.com/dowavelaxam/marico_bangladesh_limited_annual_report.pdfIn PDF document text
    • http://sezujilusevone.epizy.com/technicolor_tc8715d_user_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/rodiligarexo/dungeons_and_dragons_5e_player_s_guide.pdfIn PDF document text
    • http://wamivofubamaxit.epizy.com/37753698350.pdfIn PDF document text
    • http://rowodebifofida.rf.gd/apk_beetalk_2019.pdfIn PDF document text
    • http://mimosomudex.rf.gd/forex_hedging.pdfIn PDF document text
    • https://s3.amazonaws.com/rixevozajixezos/fomakepilitowojed.pdfIn PDF document text
    • https://s3.amazonaws.com/wopari/google_docs_outline_template.pdfIn PDF document text
    • https://s3.amazonaws.com/piradi/guvedagudizuja.pdfIn PDF document text
    • https://s3.amazonaws.com/dazifozixawus/playground_leaders_application_form.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
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cb41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB41 4980 bytes
SHA-256: 39d5e0e80c74f72489549e9d50ca09ba72d05f571cb8903099311db906e5fc36
font_01_sfnt_off0000dbfb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBFB 10784 bytes
SHA-256: 23c21fe9a98700325bc6e5f6eee1eb2d84ddf3d059947eecb53f53328c796105
font_02_sfnt_off0000fa75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA75 10956 bytes
SHA-256: 637e2391c35ddb43806d52c327b9ecca127b24bfb206a9a75fe79ca4237ffc52

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