Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa30aad9ddc74ef7…

MALICIOUS

PDF

75.8 KB Created: 2021-03-14 15:15:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: d7dce293ac8056852b07e1b0159e8565 SHA-1: c34411fa52f40d6d58e939e38a12ee2d6209e0c2 SHA-256: aa30aad9ddc74ef7d8a8a8cb9716a4e14593349fb1be14a32f0476bc003c266e
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 0.9991

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://nipisod.ru/wix?keyword=2017+honda+rebel+owners+manual PDF link annotation
    • http://gelchlen.fun/master_plan_of_evangelism_freehfxrj.pdfIn PDF document text
    • http://dapukop.22web.org/37619696077.pdfIn PDF document text
    • https://cdn.sqhk.co/nexetifosam/h8hdhgj/wizz_air_holdings_plc_stock_price.pdfIn PDF document text
    • http://italdom.fun/weather_report_in_warangal_nowtb1fw.pdfIn PDF document text
    • http://detonic-ro.website/bloodborne_insight_guide1fnxy.pdfIn PDF document text
    • https://cdn.sqhk.co/remozemot/xlieNtI/kevisofeso.pdfIn PDF document text
    • http://tipijijajofupi.sportsontheweb.net/virtual_assistant_proposal.pdfIn PDF document text
    • https://cdn.sqhk.co/fusajovogi/bgfp2ij/bakuto_marvel_comics_wikipedia.pdfIn PDF document text
    • http://pristav.pro/toputat70af.pdfIn PDF document text
    • http://najetaxu.mygamesonline.org/zajetegavofilodela.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fapibudu.epizy.com/25191655580.pdfIn PDF document text
    • http://kugukokoner.myartsonline.com/anova_distribution_table.pdfIn PDF document text
    • http://dizoleline.epizy.com/binomial_distribution_python.pdfIn PDF document text
    • https://s3.amazonaws.com/dotivaf/61341907603.pdfIn PDF document text
    • https://s3.amazonaws.com/donake/generic_structure_of_biographical_recount_text.pdfIn PDF document text
    • http://jopasimu.rf.gd/copy_guides_from_indesign_to_illustrator.pdfIn PDF document text
    • http://bumurulepowele.myartsonline.com/75688700724.pdfIn PDF document text
    • http://fukuselumetu.myartsonline.com/asot_test.pdfIn PDF document text
    • https://s3.amazonaws.com/kavalukato/rutufojaror.pdfIn PDF document text
    • https://s3.amazonaws.com/zedudo/59187383336.pdfIn PDF document text
    • https://s3.amazonaws.com/wunojipu/antivirus_360_apkpure.pdfIn PDF document text
    • https://s3.amazonaws.com/luxaduzimase/how_do_you_build_a_bat_house_in_ontario.pdfIn PDF document text
    • https://s3.amazonaws.com/tolivajupeku/29725855923.pdfIn PDF document text
    • https://s3.amazonaws.com/lonozote/bipomufu.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_off0000e805.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE805 5608 bytes
SHA-256: 226e05daf80b7047791846d6f7872579cdeab5319c7fbc8689579f76ba3fea1d
font_01_sfnt_off0000fafc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAFC 10932 bytes
SHA-256: 7716eaaa3952c0cabee92f6fac16df3d6f1496775d567c890622072b27017126

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