Malicious PDF — malware analysis report

Static analysis result for SHA-256 b04324e783412877…

MALICIOUS

PDF

74.9 KB Created: 2021-03-03 07:59:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: a6f58fcf2d9c24a0fcba84316d1b38fc SHA-1: f0bfb35d9bc71305727034da4a0712f5b855bdcd SHA-256: b04324e78341287728f1cd89a45ccf5338063671d98ef3aa5aca17a676a7595d
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://jumiwimov.ru/strik?utm_term=moniciones+diarias+ciclo+c+2019+betania PDF link annotation
    • https://cdn.sqhk.co/jolodovi/Pghagdi/arcade_ball_3d_games_online.pdfIn PDF document text
    • http://nigavereke.mygamesonline.org/fejojanitok.pdfIn PDF document text
    • https://cdn.sqhk.co/wuvidomanale/4hdFhcc/68565773339.pdfIn PDF document text
    • https://cdn.sqhk.co/gonolesuzam/Wqf4Ijj/whispering_pines_apartments_columbia_sc.pdfIn PDF document text
    • https://cdn.sqhk.co/wametofenuwo/shh5hc9/guwojutiwi.pdfIn PDF document text
    • http://pakabixi.22web.org/viginiwedizimodabe.pdfIn PDF document text
    • https://cdn.sqhk.co/rabataxuvax/76Gif0O/mobile_facebook_login_on_computer.pdfIn PDF document text
    • http://xojuxelase.medianewsonline.com/49611962644.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/tejuvonixag/apa_ethical_guidelines_for_human_research_definition.pdfIn PDF document text
    • https://s3.amazonaws.com/levumoduf/99066389593.pdfIn PDF document text
    • https://s3.amazonaws.com/fadupazageraf/bilozerumelawub.pdfIn PDF document text
    • https://s3.amazonaws.com/fedufiporara/re_admission_form_at_tut_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/besafefaf/westworld_soundtrack_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/rorives/alter_ego_5_cahier_d_exercices.pdfIn PDF document text
    • http://bozojugejev.epizy.com/analisis_sobre_la_pelicula_el_seor_de_las_moscas.pdfIn PDF document text
    • http://vosowetawevu.epizy.com/fagisebirarebekagurizeja.pdfIn PDF document text
    • http://zobotipuzadevi.epizy.com/clasificacion_de_cuentas_colectivas.pdfIn PDF document text
    • https://s3.amazonaws.com/nisiwanolom/fuzib.pdfIn PDF document text
    • https://s3.amazonaws.com/jaxesabi/93487536874.pdfIn PDF document text
    • https://s3.amazonaws.com/naxizugenabi/29624833809.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_off0000e169.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE169 5560 bytes
SHA-256: 196cfa0b1fe9c7bceaca15a84e5aab37025a4c26a8eb0b6859c85e3b02216982
font_01_sfnt_off0000f462.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF462 12876 bytes
SHA-256: 900da62c28def27eed1c3e79297adad45609589a378fcd4ab352ef953ce0ee4a

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