Malicious PDF — malware analysis report

Static analysis result for SHA-256 6552d8efce32ba74…

MALICIOUS

PDF

74.2 KB Created: 2021-03-17 11:18:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 7759d8476883450effdc3968f5cfcc4d SHA-1: 084d27ded104ce720cf568c7989728590f6391ca SHA-256: 6552d8efce32ba744eb009f18dfb8824f4bb7b50b5fc9992ce553c5b84e82c6b
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9989

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/123?utm_term=crazy+craft+mod++1.+14.+3 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4452839/normal_5ff567d63a7d9.pdfIn PDF document text
    • http://creamwalls.online/gluten_free_pastry_recipe_with_self_raising_flourhwg46.pdfIn PDF document text
    • http://faceskinagainbeauty.xyz/will_game_of_thrones_books_be_completed578jt.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413368/normal_601e1e1490af6.pdfIn PDF document text
    • http://lynciguest.com/31761776197lyfnm.pdfIn PDF document text
    • http://leree6.club/gdpr_photography_consent_form_template_freeipyug.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469374/normal_5ffd6d0e97e4d.pdfIn PDF document text
    • http://eurosett.net/the_art_of_tidying_up_audiobookwnffi.pdfIn PDF document text
    • http://redit.fun/363932283156l6s9.pdfIn PDF document text
    • http://tipografiyav.moscow/inner_planets_3d_modelhi6zx.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401971/normal_600de1d821482.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/kisimujuk/jiselamitukufelesev.pdfIn PDF document text
    • https://s3.amazonaws.com/tikofaketonub/lg_air_conditioner_error_code_ch_29.pdfIn PDF document text
    • http://lalowarereguwel.epizy.com/zibalonimo.pdfIn PDF document text
    • https://s3.amazonaws.com/satuja/george_c_herring_vietnam_war.pdfIn PDF document text
    • http://xasonivuk.epizy.com/cfa_curriculum_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/vufuzewasi/83371946969.pdfIn PDF document text
    • https://s3.amazonaws.com/zesixefe/tametagimogosulok.pdfIn PDF document text
    • https://s3.amazonaws.com/masevewi/57026355920.pdfIn PDF document text
    • https://s3.amazonaws.com/nokiva/fosavulobapedejepudis.pdfIn PDF document text
    • http://dalezogidaxi.epizy.com/clinical_pharmacy_book_download.pdfIn PDF document text
    • https://s3.amazonaws.com/dozuga/approximation_questions_for_sbi_po.pdfIn PDF document text
    • https://s3.amazonaws.com/bexolamabad/78634270823.pdfIn PDF document text
    • https://s3.amazonaws.com/fevobelijogal/mineral_water_plant_project_report_conclusion.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_off0000d9c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9C1 4984 bytes
SHA-256: 3eea4c9eae4ded5b819dfcb14f973afecdcd6134c19c8f4c6b5b694ef38b415e
font_01_sfnt_off0000ead4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAD4 10080 bytes
SHA-256: 2aa1b0389096def83b7b9636312a7596cf38e37e55bc99f8850444cc1fdb3ba5
font_02_sfnt_off00010d65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D65 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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