Malicious PDF — malware analysis report

Static analysis result for SHA-256 18ea32cd0ddb0ec1…

MALICIOUS

PDF

80.6 KB Created: 2021-02-19 05:18:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: cb91f0f1997953a5be090ba067c6401c SHA-1: 14f36b16bb71fe61c712609ab64dbea8d8515bf1 SHA-256: 18ea32cd0ddb0ec14df3dbd9f63a6f4579f47cea99dd6598bf3a818bbdc280a1
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 0.9998

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://crophysi.ru/123?utm_term=the+story+of+the+two+wolves+inside+us PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4386851/normal_5fc914b90c514.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486353/normal_5fde25232f7d6.pdfIn PDF document text
    • http://mnatural.space/charlie_malayalam_movie_background_musica8nwk.pdfIn PDF document text
    • http://nadahul.ru/free_porn_tushyes8sa.pdfIn PDF document text
    • http://mishabelle.ru/all_creatures_great_and_small_by_ruskin_bondh96l5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369786/normal_5fca0a55be408.pdfIn PDF document text
    • http://latencfsrt.space/kekajaxixugs32mo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470533/normal_5ff996bfd83d9.pdfIn PDF document text
    • https://cdn.sqhk.co/renapudovi/chj2igh/dragon_spirit_arcade_cabinet.pdfIn PDF document text
    • https://cdn.sqhk.co/kurotevu/6jdFn35/descargar_dragon_mounts_mod_para_minecraft_pe.pdfIn PDF document text
    • http://pearhaidhr.fun/dune_2000_miniseries_trailer7z461.pdfIn PDF document text
    • http://trysoda.pro/dead_or_alive_xtreme_3_guide_bookhxlde.pdfIn PDF document text
    • https://cdn.sqhk.co/modajili/cjjLiim/foxosakarasikivipep.pdfIn PDF document text
    • http://tryadasert.online/82369023291py159.pdfIn PDF document text
    • https://cdn.sqhk.co/bomemenun/dihKhf3/mulugosifakup.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
    • https://s3.amazonaws.com/megulu/larynx_cancer_treatment_guidelines.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_off0000f10b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF10B 4872 bytes
SHA-256: af13ba89398ceaa2cb8708805349fa9e8ba86738303fab608dee0d21ad0b23cb
font_01_sfnt_off000101a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101A9 11104 bytes
SHA-256: 6583c40b26573a06bbb817972fd818589cdb30782dcd338feb6486bf469be409
font_02_sfnt_off00012753.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12753 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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