Malicious PDF — malware analysis report

Static analysis result for SHA-256 2520beb6b29c0e6a…

MALICIOUS

PDF

85.9 KB Created: 2021-03-28 12:32:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: c5035a94a921cc5898cf5c4e47a8c6b1 SHA-1: 51b0f93605892e6130e3c224e05bb21bed118fdb SHA-256: 2520beb6b29c0e6a4345c6dc1b2bd930e0080acfd0bdcdee26098b1023afb7f8
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URL pointing to a suspicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The document body and metadata suggest a lure related to 'video live wallpaper anime android', which is likely a pretext to drive the user to the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://botokaw.ru/123?utm_term=video+live+wallpaper+anime+android PDF link annotation
    • https://cdn.sqhk.co/gadukupuwe/idJgjTZ/classic_arcade_games_download_free_full_version.pdfIn PDF document text
    • https://cdn.sqhk.co/wevafixap/vih2W2y/gopabamuzivedimefirurit.pdfIn PDF document text
    • https://cdn.sqhk.co/sixitigoxeto/iijijaM/66400436542.pdfIn PDF document text
    • https://cdn.sqhk.co/wenejusuzixe/DHDxiit/hdfc_diners_club_credit_card_apply.pdfIn PDF document text
    • https://cdn.sqhk.co/terasovo/ie5hjvY/92366577433.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/wisuw/driver_booster_pc_app.pdfIn PDF document text
    • https://s3.amazonaws.com/dugibabafod/how_to_change_my_schlage_door_code.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/41ca6bd7-e211-4351-850d-5dfecaddeee0/60973537374.pdfIn PDF document text
    • https://s3.amazonaws.com/wujixus/the_odyssey_book_xiv_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/jonora/apache_ant_windows_10.pdfIn PDF document text
    • http://ribafaga.rf.gd/vodewizuwinubabugeli.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7b83bdb6-7671-41e1-9569-ee27fa687b58/bunker_hill_security_system_62368_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/81b55d39-5762-4d9f-a069-d04fe7f28ffb/how_to_learn_dental_terminology.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a078343e-33a4-4afc-beae-664ccad53002/cradle_to_cradle_design_def.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ea9db038-fd65-42c0-a4c8-c7df71f44805/psychoanalytic_criticism_in_literature.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f77a9eca-a5d9-4c14-9594-82030cd663a2/wilderness_survival_training_southern_california.pdfIn PDF document text
    • https://s3.amazonaws.com/divexikav/lesafaduzukozerasi.pdfIn PDF document text
    • https://s3.amazonaws.com/sebunuzu/19266942913.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c99d14bf-55a7-44bc-ab35-999b12edc241/wojar.pdfIn PDF document text
    • https://s3.amazonaws.com/kiguteperilodu/koxezewarutujizuzalalapaz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/261aed3e-f95f-4a3c-b35d-9cbc72c92ac3/gobokizovotetave.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/116a8182-ab13-4b34-8a45-9027fce90290/contra_3_game_genie_codes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb555f14-79bb-4288-a3e7-f410cd26dedb/22601244502.pdfIn PDF document text
    • http://demunoj.epizy.com/answered_meaning_in_bengali.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_off000111af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111AF 5044 bytes
SHA-256: b888bbd4eac29288e8bb332cf1bc67ac63fd19a71ed40e2ebe711538fca5a9ab
font_01_sfnt_off000122d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x122D9 11388 bytes
SHA-256: d93d278c84e2a8f527ae1a9149cce8dbbc21e9001229ce1aef948f3a92604d67

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