Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3dbebedccd3976c…

MALICIOUS

PDF

67.1 KB Created: 2020-12-05 12:17:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 6a3b6310b3c8bfe2caa2523d3ce33c18 SHA-1: 9fd7df92e9714a4fbdbc23f5698252688ce20f53 SHA-256: e3dbebedccd3976cb7ce9e37819861c8f71aacf266ea817be75b5d1c31fe8851
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://trafficel.ru/123?utm_term=destiny+2+tableau+menagerie+loot PDF link annotation
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/beac1ad5-5171-4366-ae7a-5e9e487f98af/the_grouchy_ladybug_sequencing.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9552e020-6d29-4c70-8fe4-9d14cebe8b31/samsung_galaxy_j3_user_manual_verizon.pdfIn PDF document text
    • https://s3.amazonaws.com/foneniz/powov.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d839eab3-bd3e-4924-8946-93294b401199/32419625148.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe3fb0173fb5383b6e24cb/1606303664109/gokimusewon.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a9724ecd-7528-48c7-878d-67467f40dd49/actualize_parse_s_theory_of_human_becoming.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e464ab79f442f229936f/t/5fc14ccb4f983757200fae94/1606503627494/the_daily_herald_newspaper_provo_utah.pdfIn PDF document text
    • https://s3.amazonaws.com/punurum/25241971086.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6b50e6fc-34df-42b5-b1c6-a45cb1414068/d_gray_man_52.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/31346e09-4ecc-448b-a327-44a59c16a8ba/7982694632.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0a74156-17c2-4fa4-8036-9f706592587d/51121824565.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/47d0f13d-87d4-4d0b-87f5-33cd2f9ece68/mogotisusosavudomafekal.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/50393c78-286c-4c14-841d-2f56b81af623/asa_flight_planner.pdfIn PDF document text
    • https://s3.amazonaws.com/potevip/catacombs_of_priscilla_khan.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_off0000ca02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA02 5376 bytes
SHA-256: d355267648f9291f38bbce7abdcaa042ee36e7830302e4bda37b32a0dcd67d6f
font_01_sfnt_off0000dc44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC44 10872 bytes
SHA-256: 39a7c5b17201d08a9570dd9a870cfa673a84230b93f9529f59246d1433af1ee1

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