Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdcfd945fae8f20d…

MALICIOUS

PDF

74.4 KB Created: 2021-03-03 06:06:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 9b68dd0f3e749813eb11f6217d2b7796 SHA-1: 9f4e50ba8c538f02383217acb3bc6ff5a9f6cd08 SHA-256: fdcfd945fae8f20dc48fb39302c693a7defaa8549ab24cab203547385782cbea
96 Risk Score

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 0.9997

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://lozipotod.ru/strik?utm_term=where+to+buy+parts+for+microwave PDF link annotation
    • http://onlinesos.tech/hardegree_symbolic_logic76qhw.pdfIn PDF document text
    • http://mutinujevax.22web.org/60972782995.pdfIn PDF document text
    • http://mifesilidu.iblogger.org/honeywell_model__rth6350d1000_manual.pdfIn PDF document text
    • http://tk-pobeda.site/beats_by_dr._dre_powerbeats_3_wireless_bluetooth_earbuds6t4mi.pdfIn PDF document text
    • http://peludofnor.fun/components_of_a_progress_reportzffg0.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/juwofuxufijup/date_range_pandas_format.pdfIn PDF document text
    • https://s3.amazonaws.com/vuxalirudidel/secure_vpn_app_for_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/rurosaveruk/78327144107.pdfIn PDF document text
    • http://puzasapexuwuju.epizy.com/guzobagaxebitena.pdfIn PDF document text
    • http://pokajuvetu.rf.gd/bilirrubina_directa_e_indirecta_alta.pdfIn PDF document text
    • http://gonurorirezode.epizy.com/forcibly_guided_contacts.pdfIn PDF document text
    • https://s3.amazonaws.com/sazomo/unfounded_cps_reports.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/icsp_header_full_form.pdfIn PDF document text
    • http://besaware.epizy.com/noco_genius_2_bank_charger_reviews.pdfIn PDF document text
    • https://s3.amazonaws.com/wanasuvedigo/nulikun.pdfIn PDF document text
    • https://s3.amazonaws.com/bovenotojitowe/bratislava_metro_map.pdfIn PDF document text
    • https://s3.amazonaws.com/vigevot/35003458808.pdfIn PDF document text
    • http://xojurasonalefan.rf.gd/mettler_toledo_xc3_checkweigher_manual.pdfIn PDF document text
    • http://jamosafiseb.rf.gd/fundamentals_of_physics_10th_edition_checkpoint_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/waxegatulo/jimepuguxiwamuf.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_off0000e61e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE61E 5632 bytes
SHA-256: 3afa12ba4338414e7d9e2bba148ddf386da204584fe65276a589b2420c0d21a6
font_01_sfnt_off0000f940.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF940 10296 bytes
SHA-256: 47187db33a44d444bf0f8ce517e23f524a52281ea623688780585a3f1fc61e7f

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