Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6006685a0329285…

MALICIOUS

PDF

79.3 KB Created: 2021-05-24 22:13:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: b15d2abd75a2cc94c690bd6d03cadec2 SHA-1: b798a26458402d1a55495f500d51191feddbd543 SHA-256: d6006685a0329285eebf1ed441b4e8aa3991d926c606b415b1ae5dcd7e13c4fe
104 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that masquerades as a movie download link, aiming to trick users into clicking it. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the presence of an external URI and the ML/ClamAV findings point to a downloader or phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://botokaw.ru/strik?utm_term=vivah+full+movie+download+720p+filmyzilla PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4451208/normal_606d589a9a5d6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481509/normal_5fcd52d753c20.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412584/normal_5fc70fedb6d11.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457005/normal_606420c483c22.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424024/normal_5fe50a95dba7c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481170/normal_5fcee958dbd2a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375517/normal_5fe6488384809.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378157/normal_5fd625c74bd8a.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/sazomo/google_sheets_script_send_email.pdfIn PDF document text
    • https://s3.amazonaws.com/zakunafu/fodopokawupow.pdfIn PDF document text
    • https://s3.amazonaws.com/boduxatavepe/figavex.pdfIn PDF document text
    • https://s3.amazonaws.com/lovetijif/how_to_replace_the_control_panel_on_a_whirlpool_oven.pdfIn PDF document text
    • https://s3.amazonaws.com/fujadabez/30595156496.pdfIn PDF document text
    • https://s3.amazonaws.com/tisegovofu/23540219197.pdfIn PDF document text
    • https://s3.amazonaws.com/gisujubolidine/why_my_key_fob_wont_work.pdfIn PDF document text
    • https://s3.amazonaws.com/liluvad/96381530966.pdfIn PDF document text
    • https://s3.amazonaws.com/fujadabez/tiwelevazafopudujak.pdfIn PDF document text
    • https://s3.amazonaws.com/kopisigapub/brinjal_diseases.pdfIn PDF document text
    • https://s3.amazonaws.com/wulotugadag/ropupupowutevimunaremeb.pdfIn PDF document text
    • https://s3.amazonaws.com/roware/hanley_building_society_annual_report.pdfIn PDF document text
    • https://s3.amazonaws.com/sizabo/20030022194.pdfIn PDF document text
    • https://s3.amazonaws.com/wusigipufuvowix/behavior_chart_template_for_home.pdfIn PDF document text
    • https://s3.amazonaws.com/gowupuzokowuxes/exclamation_mark_on_excel_spreadsheet_icon.pdfIn PDF document text
    • https://s3.amazonaws.com/jidosatikim/17255961345.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_off0000f821.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF821 5632 bytes
SHA-256: 8bd6895514eefa7c0f39f1ad4b79e7c162192f36a399c23b51ddbf38e8b339f9
font_01_sfnt_off00010b5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B5A 10660 bytes
SHA-256: 045bd91c5e1e28a3e9149b2e67080873d6cfd20d19b72fd734704386d1f66875

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