Malicious PDF — malware analysis report

Static analysis result for SHA-256 32eae0ee66bc879e…

MALICIOUS

PDF

75.9 KB Created: 2021-03-24 18:40:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 129a2b9ca8a87a7e07dc07890a22f687 SHA-1: 87e057d3a2b7521d54fcd38a1de9109de11d5fe3 SHA-256: 32eae0ee66bc879e8ed3b32d0ae86b5a890f3ed73b691bda52a5a680ef2674be
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 0.9991

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://crophysi.ru/123?utm_term=chevrolet+cruze+2016+user+manual PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4369302/normal_5fe0fbe07d6ea.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370767/normal_60053de7ad2bc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477651/normal_6009939a90302.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4527164/normal_6021b9a22a5af.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4494417/normal_5fe6529dd3761.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4494875/normal_600274b62ea1a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456134/normal_5fd1a8beb31c8.pdfIn PDF document text
    • http://antinomi.design/python_for_machine_learning_coursera60zkg.pdfIn PDF document text
    • http://afracheat2.xyz/woporukn2b3f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490376/normal_5fefecc6c697b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473064/normal_5feee4a9bce1d.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/wexukufedepim/bhakta_prahlada_all_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/vekodupiwarobi/clear_bitmap_imageview_android.pdfIn PDF document text
    • https://s3.amazonaws.com/sowirutelevolur/wagasogisaberizudikatiram.pdfIn PDF document text
    • https://s3.amazonaws.com/zalomi/labutunupaj.pdfIn PDF document text
    • https://s3.amazonaws.com/bejeseja/17107770740.pdfIn PDF document text
    • https://s3.amazonaws.com/rilexazejuzovep/how_to_get_a_written_book_published.pdfIn PDF document text
    • https://s3.amazonaws.com/mikibetiv/how_to_check_my_license_status_ma.pdfIn PDF document text
    • https://s3.amazonaws.com/nilafafakem/xiwiwepudogapan.pdfIn PDF document text
    • https://s3.amazonaws.com/bokofapig/ligularia_reniformis_toxicity.pdfIn PDF document text
    • https://s3.amazonaws.com/sugowubuf/email_sign_up_form_template_html.pdfIn PDF document text
    • https://s3.amazonaws.com/tufujifinobiro/38080501161.pdfIn PDF document text
    • https://s3.amazonaws.com/nemafu/72098003318.pdfIn PDF document text
    • https://s3.amazonaws.com/lomogas/business_plan_projected_cash_flow_template.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_off0000ec60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC60 5536 bytes
SHA-256: c6dae4de4e5b8af60cddf7eae191badf02a7c9f260a300eafbb5dfe21949b81d
font_01_sfnt_off0000ff10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF10 10276 bytes
SHA-256: ac46f6d38443ce608e5355d0599edf27dae89ac61c0809dbaf337b56ef713d45

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