Malicious PDF — malware analysis report

Static analysis result for SHA-256 14d33bd57703c755…

MALICIOUS

PDF

79.0 KB Created: 2021-02-21 19:07:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 2adc261566647644d0488a8985d8bcb5 SHA-1: b55af1114b24b1a4dba6a02a604a74f0b8c9a836 SHA-256: 14d33bd57703c7555e11252bdbfb127c38a22c5ca8e28a88df2abd7bd93962db
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 0.9996

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://jottigo.ru/strik?utm_term=ps+vita+3000+price+in+india PDF link annotation
    • http://dabutaxezopis.iblogger.org/merawim.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366959/normal_6017a763a2c96.pdfIn PDF document text
    • https://cdn.sqhk.co/rorajakura/Khiiggd/94673076883.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
    • http://vikokaras.epizy.com/63890125553.pdfIn PDF document text
    • https://s3.amazonaws.com/dapekufoxiraku/agent_immobilier_formation_rennes.pdfIn PDF document text
    • https://s3.amazonaws.com/luramamelolem/panasonic_full_color_wide_series.pdfIn PDF document text
    • http://lisevazoni.rf.gd/kedibonorasokoda.pdfIn PDF document text
    • http://nelevevupa.rf.gd/diana_hamilton_work_in_progress_music.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzumeb/postal_address_format_singapore.pdfIn PDF document text
    • https://s3.amazonaws.com/ponivotigegepub/android_wear_on_iphone_x.pdfIn PDF document text
    • http://jefiwimagi.epizy.com/tanajuzomumutaxebuzugik.pdfIn PDF document text
    • https://s3.amazonaws.com/tokudapele/17437631742.pdfIn PDF document text
    • https://s3.amazonaws.com/vipuxafol/twitter_application_for_mac.pdfIn PDF document text
    • http://ziwebizivag.epizy.com/46450092347.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d3f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3F9 5080 bytes
SHA-256: 0e10c298c11f4016f3373bc93579f31ef6ecac66dab6dabde30c980fcd1b3739
font_01_sfnt_off0000e537.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE537 10708 bytes
SHA-256: a803ca908f2edebf3364acb21d66668c4bdb0ed66cfcf195a90623c17f930d33
font_02_sfnt_off00010a17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A17 16092 bytes
SHA-256: 2c5f1a2e3d9f683f6a217a47aeaaae813f7d4ef732a5ff54a929695507d09140
font_03_sfnt_off00011edd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EDD 4324 bytes
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230

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