Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea5126fe81216ca7…

MALICIOUS

PDF

72.8 KB Created: 2021-01-05 03:31:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: c8bb3af11b607eac52942c9faaed10f6 SHA-1: 57aee7a595614380d2e5187abc95c7445475435f SHA-256: ea5126fe81216ca7a10750f7c1125b86ee559bab88c56320c8315292f10cd485
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 0.9998

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://traffine.ru/123?utm_term=five+senses+of+eros+indo+sub PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4450876/normal_5fbdfc512edc7.pdfIn PDF document text
    • https://cdn.sqhk.co/bekegeraw/ijojcyM/candy_corn_fabric_hobby_lobby.pdfIn PDF document text
    • https://cdn.sqhk.co/gufezitaxato/YjjThg5/pacific_beach_fire_department.pdfIn PDF document text
    • https://cdn.sqhk.co/tuponapalab/gjhjdcC/lenovo_laptop_charger_not_working.pdfIn PDF document text
    • https://cdn.sqhk.co/kifavubivelo/hg7gfgd/stickers_for_cars_back_window.pdfIn PDF document text
    • https://cdn.sqhk.co/lawikuto/DKjeljb/taradob.pdfIn PDF document text
    • https://cdn.sqhk.co/nadudegimew/EhdFars/35964629638.pdfIn PDF document text
    • https://cdn.sqhk.co/kufejeni/hNtkibi/ditebuzoko.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/7ec767e9-8940-4d59-b9f3-59494e15e74f/mezuji.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce233e37-e1b1-462c-91de-b2a10bce1bce/engineering_statistics_5th_edition_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8bc744e0-00d7-46ca-9276-ed308725abb9/85557272997.pdfIn PDF document text
    • https://s3.amazonaws.com/rorives/free_blank_birth_certificate_template.pdfIn PDF document text
    • https://s3.amazonaws.com/rezugekolaba/thank_you_ma_am_short_story_full_text.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_off0000ccbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCBF 4768 bytes
SHA-256: 7f0e82877da354c130d7f23e1f780eef738bf2fdf0a87a43c8905824f8ad95db
font_01_sfnt_off0000dd8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD8C 4816 bytes
SHA-256: e7574bbb59f1ce3903ba928dac910a00c33479710f627e0a3d4927308e14b8aa
font_02_sfnt_off0000ee02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE02 11732 bytes
SHA-256: c0c39bfb332d52974f7799d70c92f98e370f7dd822d9f45b771d1a2cc9ec013c