Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e8290d4dbd8ef4e…

MALICIOUS

PDF

118.3 KB Created: 2021-05-20 19:51:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 43c7b2ebc25eb4de61b5e13c9212e72a SHA-1: 9526fc7cb82680173c118d8d71215390553e62c3 SHA-256: 2e8290d4dbd8ef4e7209d31dc6f912608220f1dc930cf8d8b062cd370875f1e2
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 0.9996

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://jacksth.ru/strik?utm_term=ijtihad+in+islam+in+urdu+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4416506/normal_5fe313b823a8b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426944/normal_604cb7b8d440f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450506/normal_602efb5c279ce.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369153/normal_60601ce323662.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405650/normal_5fdd8aba0e71d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450512/normal_60536d6e76a5f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474448/normal_604ca64e8ca03.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374688/normal_605c9c6d29f19.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449605/normal_60633962b2786.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/zalomi/22829715253.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d983ff89-2485-4abc-87f8-a8177e24b09c/allen_bradley_powerflex_755_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e89281ff-3ee2-43fe-9a21-54accdc628a2/z_score_table_normal_distribution.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/da19d93c-dc68-42db-9e29-c2f320e2f3ca/our_global_environment_a_health_perspective_7th_edition_ebook.pdfIn PDF document text
    • https://s3.amazonaws.com/zoromexemuzid/adding_dissimilar_fractions_worksheets_grade_6.pdfIn PDF document text
    • https://s3.amazonaws.com/sazixipame/how_to_write_a_standard_form_equation_into_slope-intercept_form.pdfIn PDF document text
    • https://s3.amazonaws.com/dedinavesute/alabama_civics_test_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/42c4504a-e90b-472c-a83f-418955f6260e/wefoxez.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/84997180-b030-4636-86a2-c75be5d9e630/how_to_share_a_video_from_someone_elses_page_on_facebook.pdfIn PDF document text
    • https://s3.amazonaws.com/lekizopiloref/7677197685.pdfIn PDF document text
    • https://s3.amazonaws.com/babetafaperaxov/autodesk_2020_products_direct_links.pdfIn PDF document text
    • https://s3.amazonaws.com/rakabexozu/6683361286.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001751b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1751B 5296 bytes
SHA-256: 9f8ff9093fd8b3c3c66a0c7766b0cb21834a015057925681039074c0c403c5fd
font_01_sfnt_off000186f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x186F2 11408 bytes
SHA-256: cd9d1bad602ce940247752411e2949291a2be62a653e5d245e717a3ec8afe582
font_02_sfnt_off0001ad2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AD2C 18832 bytes
SHA-256: 0b7bff6d3e8908dee421466966f3b4cee3a19a4a5d0ea3dc177797d49c16333a