Malicious PDF — malware analysis report

Static analysis result for SHA-256 d00a588cd2b351ff…

MALICIOUS

PDF

81.6 KB Created: 2021-03-04 05:34:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-23
MD5: de5b8059bb99ddcf1ecba823a4b66850 SHA-1: eb374d2f826f07b6ca6ff3fbfab9f4024c1e822c SHA-256: d00a588cd2b351ff38b74360b137ac36775a464e24f60ddc0138bafdef3a473c
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, which is a strong indicator of a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm its malicious nature. Although no scripts were explicitly extracted, the presence of external URIs suggests the document is designed to redirect users to malicious sites, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://gimoguvi.ru/123?utm_term=early+civilizations+map+activity PDF link annotation
    • http://getbuiss.online/8942402349amv0i.pdfIn PDF document text
    • http://roguvopupo.22web.org/smtp_test_application.pdfIn PDF document text
    • http://grigolia-studio.ru/73249879971z172v.pdfIn PDF document text
    • http://vorugakolijek.22web.org/noleposoroxuxukidelemasu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4506063/normal_603b27a0c81f9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379718/normal_5fd7b24d39220.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412575/normal_5fcad69fb10df.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4463554/normal_60160f45da271.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4461751/normal_5fec02b93422d.pdfIn PDF document text
    • http://stopnutristrike.ru/traumatic_arrest_guidelinesky7rw.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
    • http://dadusuxu.rf.gd/adjectives_with_ed_or_ing_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/lemerisinivum/excited_state_deformation.pdfIn PDF document text
    • https://s3.amazonaws.com/fogibi/gowning_qualification_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/dadupawo/android_desktop_manager_for_windows_7.pdfIn PDF document text
    • https://s3.amazonaws.com/bejeseja/how_to_play_android_games_without_ads.pdfIn PDF document text
    • http://bavipilebevim.epizy.com/68536624981.pdfIn PDF document text
    • https://s3.amazonaws.com/nelizenejakarug/chota_rajan_photo.pdfIn PDF document text
    • https://s3.amazonaws.com/sonutopexaramuf/white_wrap_dress_formal.pdfIn PDF document text
    • https://s3.amazonaws.com/fedufiporara/clangers_sheet_music.pdfIn PDF document text
    • http://vetarobafawuk.epizy.com/how_to_reset_hitron_technologies_router.pdfIn PDF document text
    • https://s3.amazonaws.com/vajefam/dawajipipepobuvulip.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_off0000f469.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF469 4916 bytes
SHA-256: 0b8de7c7787626372765dd12da93ca908ddf7449d6d01fc2cec0d9286c238927
font_01_sfnt_off0001050a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1050A 10988 bytes
SHA-256: 8de3654d22599e2ea22072b394f3bcab974f65b08ed21c892520228552c75159
font_02_sfnt_off00012a6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12A6F 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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