Malicious PDF — malware analysis report

Static analysis result for SHA-256 9781d71eb70125c1…

MALICIOUS

PDF

80.1 KB Created: 2021-02-28 03:05:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: a65f233b25b8d71a427cc299e676487a SHA-1: 9822d56c46172fb06ca052130d63240901879409 SHA-256: 9781d71eb70125c14bbc029fa06144d02b4c4a2702f840a24a8587b326551c7c
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://vilenefex.ru/wix?keyword=gs8000l+manual+pdf PDF link annotation
    • https://cdn.sqhk.co/fuvopone/gf7CjiB/digikala_iphone_11_128.pdfIn PDF document text
    • https://cdn.sqhk.co/benibavagoge/ph9whgF/cute_pixel_art_color_by_number_online.pdfIn PDF document text
    • https://cdn.sqhk.co/devepogisog/bhblSib/homeschool_planner_printable.pdfIn PDF document text
    • https://cdn.sqhk.co/zepipawetopi/ew9iihb/guidelines_meaning_in_tamil.pdfIn PDF document text
    • https://cdn.sqhk.co/xixujipum/cQXifhg/74393905818.pdfIn PDF document text
    • http://vibolofisef.mywebcommunity.org/anatomy_and_physiology_coloring_workbook_answers_chapter_7_the_nervous_system.pdfIn PDF document text
    • http://tomolijoponix.mypressonline.com/formato_de_recibo_por_honorarios_sunat.pdfIn PDF document text
    • https://cdn.sqhk.co/tinolefowi/hiihDjg/logo_quiz_2020_answers_level_49.pdfIn PDF document text
    • https://cdn.sqhk.co/gixelotopa/iY9ibhf/5456324520.pdfIn PDF document text
    • https://cdn.sqhk.co/katutilit/gjggjbB/wibuxopizekikusomabures.pdfIn PDF document text
    • https://cdn.sqhk.co/gukokefa/ribNmjc/build_tiny_homes_ontario.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/kabisebax/kabbalistic_tree_of_life.pdfIn PDF document text
    • https://s3.amazonaws.com/fukezavazuj/austria_student_visa_application_form.pdfIn PDF document text
    • https://s3.amazonaws.com/jejulurowev/angular_5_documentation.pdfIn PDF document text
    • https://s3.amazonaws.com/gofiguj/alagappan_medicine_5th_edition.pdfIn PDF document text
    • https://s3.amazonaws.com/mamibis/10969822888.pdfIn PDF document text
    • https://s3.amazonaws.com/geradi/35339746313.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f2a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A8 5456 bytes
SHA-256: fda5e701e99f91cb3fd018cf16cb61680f84d3821486b38823d3f16db70235f6
font_01_sfnt_off00010522.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10522 2484 bytes
SHA-256: 8085e85f7ab2ec424f2d1e8603e5adaf13eeac0702cda241d6a7218dd8b8c71c
font_02_sfnt_off00010fc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10FC4 10440 bytes
SHA-256: 1a2c133f55505a35090fb8a0155fc8027903f915208015cc4316c5eea6b4bb66

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