Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f1e1a9807dd6891…

MALICIOUS

PDF

88.8 KB Created: 2021-05-09 14:29:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 44f300d869a9a42e3ef4a9585e9f71f4 SHA-1: f19beba05cc8a1c8c22776f73e4cfab79fbfa860 SHA-256: 6f1e1a9807dd689126f8dd3ebf3878345bc7a523ed42a789e69f02e2d9daf86c
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 0.9993

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://mezovuduw.ru/strik?utm_term=bissell+cleanview+bagless+upright+vacuum+belt PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4384310/normal_6049770c2ac6d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459621/normal_603585e1881d7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380691/normal_6003e15ad4ea0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421960/normal_5fe700d885422.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371240/normal_6054d3ddc2f41.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426088/normal_605680a1a2c19.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374542/normal_606a9a7983db8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427506/normal_602962ec8530d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471958/normal_602ec31192243.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422371/normal_602ce0f119c2d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/49a90cac-56de-4ff9-9fcf-b279d2485bb7/adobe_premiere_pro_2019_free_download_crack.pdfIn PDF document text
    • http://lutukoxu.rf.gd/english_grammar_in_odia.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4e02d6af-ca3e-4f7d-af63-017f454e7e2f/best_way_to_slice_bone_in_ham.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e21525e7-b05a-4e90-9208-73ef7c83d534/m-audio_keystation_88_ii_specs.pdfIn PDF document text
    • http://simitilukurisat.rf.gd/fungal_acne_how_to_get_rid_of_tiny_bumps_on_face_quickly.pdfIn PDF document text
    • http://zifisag.epizy.com/cbse_class_11_and_12_syllabus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/905e6a4f-3eed-4d3b-9b48-0950aedad2b9/35321142223.pdfIn PDF document text
    • http://bikevobo.rf.gd/rudram_chamakam_sanskrit_with_meaning.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2f5c73d2-9baa-4a75-adce-6fbae9f39c53/1862959160.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0d59829d-7267-45cf-bc93-5f3bafbd8133/what_are_the_duties_of_ushers_and_greeters_in_church.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/287e2c9e-5f05-46b8-89df-46f27fb06ebe/50119725650.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c093e088-25e6-4909-b7b4-fe34e375cc1f/digital_marketing_salary_in_mumbai_for_freshers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ee8bb842-3b58-4587-b032-3a8bcdbeaa4a/wejutevivewozi.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_off00011c3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C3D 5688 bytes
SHA-256: 5b549a9b76c70e4c3c3c5f81bbd67d511c684bcfcd60f4b3b416ca741c8ecd07
font_01_sfnt_off00012f86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12F86 11140 bytes
SHA-256: 4a688b47e9d6044408320348342a2a0c28557ab4308d3444c05bfb4d395fedf3

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