Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce640eb1c6907bab…

MALICIOUS

PDF

75.9 KB Created: 2021-03-25 12:25:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 4718b111c042a3816aa9793b880f976d SHA-1: d6cb5779f4bc5d1ba0a8381ebfbe5b54ff9c42f5 SHA-256: ce640eb1c6907bab791580fc197177af23b2252b3ddd8c739f42b2f29d585ad8
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=platform+9+3%252F+4+gift+shop PDF link annotation
    • http://moditem.22web.org/blender_beginner_tutorial_1_4_blocking.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387577/normal_6054e94a3acad.pdfIn PDF document text
    • http://legko.travel/849414524266pfab.pdfIn PDF document text
    • http://mainsale.info/game_center_app_androidqqctz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408330/normal_60183518d3a1f.pdfIn PDF document text
    • http://tesar-krd.ru/helvetica_bold_truetype_font7m4uz.pdfIn PDF document text
    • http://zyzycheat8.xyz/what_is_australias_justice_system1bs8f.pdfIn PDF document text
    • http://psychologyrelax.xyz/99679720742r26su.pdfIn PDF document text
    • http://fb-ig-violation.com/22226455774fsz02.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/zamuriza/yoho_national_park_weather_report.pdfIn PDF document text
    • https://s3.amazonaws.com/xuzed/free_golf_tournament_flyer_template.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eafada55-77c5-48c8-a819-33a6ebf16347/how_to_install_a_petsafe_underground_fence.pdfIn PDF document text
    • http://bowukedogatowo.epizy.com/joint_venture_adalah.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1cf12d05-3d74-4048-a753-9c00eaa26d4d/tabla_de_distribucion_normal_n0_1.pdfIn PDF document text
    • https://s3.amazonaws.com/kefefetafij/brawl_stars_colt_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/wobuzisibal/carlsberg_logo_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/11af1cde-53f4-45d0-9ef3-6659a0b3e534/who_makes_masterforce_vacuums.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/82462d88-dcbd-4574-8969-c8c40bc74875/walowegezowenadapar.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e96c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE96C 5760 bytes
SHA-256: 674e09e2fe7ddc7a958292542178627d48772377cadd7e466357af1635c6b902
font_01_sfnt_off0000fcef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCEF 11224 bytes
SHA-256: 1d813a077665072a3c5068800a51844c84400c8310804a0c52fe6ca3a34cd28a

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