Malicious PDF — malware analysis report

Static analysis result for SHA-256 c45218e3c97ac244…

MALICIOUS

PDF

216.9 KB Created: 2021-03-24 05:57:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 462da39ec0a43270e6600f1088db0873 SHA-1: e27d0a633dbb482e317d245ad5988dbd3c16fb9b SHA-256: c45218e3c97ac2442872967165ccc09562ee234db1469dd52e86381505054fd1
96 Risk Score

Malware Insights

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

The PDF file contains a suspicious external URI that leads to a domain associated with phishing. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'International business machines ibm mision y vision'. The presence of this URL and the nature of the document strongly suggest a phishing attack, likely delivered as an attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9720

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://seumenha.ru/strik?utm_term=international+business+machines+ibm+mision+y+vision PDF link annotation
    • http://vejexoxidinu.iblogger.org/55253773746.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://a50dbba5-e4fd-40cc-afa9-a45495a5accf.filesusr.com/ugd/7f929b_0e64892a39574c3e8c217a1e256036a3.pdf?index=trueIn PDF document text
    • http://kixixiwibatogit.epizy.com/22552399008.pdfIn PDF document text
    • https://s3.amazonaws.com/faluzotixupi/how_much_oil_does_a_cub_cadet_xt1_take.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/def98755-35fb-4944-af2a-559ad742f37c/2019_toyota_camry_se_red_interior.pdfIn PDF document text
    • https://s3.amazonaws.com/dudurat/bogivupa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a87d2b8-2f04-4d82-848d-bef4eeb97cdd/games_to_improve_listening_skills_for_preschoolers.pdfIn PDF document text
    • http://famebod.epizy.com/60472528791.pdfIn PDF document text
    • http://nokemufebevezo.rf.gd/zineladon.pdfIn PDF document text
    • http://bawatusarab.epizy.com/bouree_classical_guitar_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/dowesitobuga/zupipibebozu.pdfIn PDF document text
    • https://79e8b926-cc52-4cef-90ae-68e3990d752e.filesusr.com/ugd/694d5d_9c31a5fcee6f469a9fb31cc76f664cd0.pdf?index=trueIn PDF document text
    • https://160e4e15-e27a-4ef2-9b26-f67fc0969a86.filesusr.com/ugd/cbdbb6_2810d84414294a33b1c35b2af539c235.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/visagogijulep/boduxiwokijebozunodifu.pdfIn PDF document text
    • https://11f44e1d-c86f-4be6-baa1-90970e7c24f5.filesusr.com/ugd/a298ce_2b83740613a046d0bba956ca8b02149e.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/geradi/list_of_modal_auxiliary_verbs.pdfIn PDF document text
    • https://s3.amazonaws.com/vibuvomomuv/why_is_my_furnace_light_blinking_4_times.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9f117310-f84c-4997-9acd-2d1bef808d9a/afrikaans_short_stories_for_grade_4.pdfIn PDF document text
    • https://s3.amazonaws.com/liguwubore/ap_biology_cell_communication_worksheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/bomifabipi/vizuwovosopitanaxepa.pdfIn PDF document text
    • https://ebed6276-6372-4ddf-adad-9a0fa504b99f.filesusr.com/ugd/805d2a_5986ae70a70442dca4e40eedcb89cf95.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/b84b3b86-c317-40c7-bad7-f5320d37c7ed/kitukibipujijomukezutalot.pdfIn PDF document text
    • https://s3.amazonaws.com/bulozor/how_do_you_prove_you_are_judgement_proof.pdfIn PDF document text
    • https://s3.amazonaws.com/lerezazo/83355764578.pdfIn PDF document text
    • https://s3.amazonaws.com/jefazaxal/pensar_rapido_pensar_despacio_resumen.pdfIn PDF document text
    • https://s3.amazonaws.com/kesumasaka/vozibejutidojun.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_off0002fa17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA17 6488 bytes
SHA-256: 78dcd74a34c27a6d9330cf0c10e123efd638dbf0ac0456122f9a775799613b2d
font_01_sfnt_off00031031.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31031 5280 bytes
SHA-256: 22a80135c8d81920f5eeb78f59231f2338f71f8f9ebd03436d85b73bcc7f92d2
font_02_sfnt_off00032202.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32202 14716 bytes
SHA-256: 2b607d10e2dd7ba5bcefd5d3cbaf232c3059bb5c0437d610f9d7841056c593ae

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