Malicious PDF — malware analysis report

Static analysis result for SHA-256 a58f7fe663644578…

MALICIOUS

PDF

78.1 KB Created: 2021-03-15 14:16:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 84996c77868a9601ee66d248c473f1fa SHA-1: 37d9940016de08c48e548fc9165ecae26ade6026 SHA-256: a58f7fe6636445785ae666c24f7ab5326016151b8d51fb9f701b8509424d6ff4
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://gimoguvi.ru/wix?keyword=que+es+eter+en+ingles PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4449990/normal_5fdfb8bd02e67.pdfIn PDF document text
    • https://cdn.sqhk.co/wepunajexiju/9hdjeoF/ice_cream_cake_recipe_mint_chocolate_chip.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382192/normal_5febc2c979a17.pdfIn PDF document text
    • https://cdn.sqhk.co/nuvexajamu/jbgedih/download_horizon_modding_kernel_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/dasisogi/pvibih7/lesson_plan_format_for_teachers.pdfIn PDF document text
    • http://lololoj.sportsontheweb.net/72275907544.pdfIn PDF document text
    • https://cdn.sqhk.co/zulatobi/hihtqha/outside_dining_near_me_bronx.pdfIn PDF document text
    • https://cdn.sqhk.co/ritafase/idhj39s/couples_retreat_2009_full_movie.pdfIn PDF document text
    • http://tulomodev.getenjoyment.net/how_to_calculate_man_days_worked_in_a_year.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403121/normal_600ae57f9a3e9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471235/normal_60269d49136a5.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/dc443841-d1ba-480a-b487-936e033b9cbf/stop_think_react_reading_strategy.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6776aa4-ba6e-45c0-a883-bfcaf6ee8b33/advanced_dungeons_and_dragons_2nd_edition_players_handbook.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/252bdc5f-becf-4012-98eb-1a4d74e8210f/dawikureti.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/56712fda-88cd-47af-92c0-3c73d1124250/derecho_romano_rodolfo_arguello.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/884082d1-2665-4c9b-b73f-a8d86b30893b/94053691084.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5dd56416-cf08-46dc-b00b-c897e57624f9/como_hacer_un_panel_solar_casero_con_materiales_reciclados.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5334422b-dfa1-419a-84e2-fd3f481efb58/bayliner_owners_club_classifieds.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6da9983c-1c07-45a6-af3c-9c6b2160c1a0/modernist_cuisine_photos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/89872a26-307f-4c01-96f7-21c48dc0268c/descriptive_essay_about_person_you_admire.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_off0000f283.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF283 4704 bytes
SHA-256: f96e88f31625d4254f9e40632c45e4682b3a046ce28d04b1ba40f2d0434113cc
font_01_sfnt_off00010295.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10295 12084 bytes
SHA-256: cbb647fe12d21031a114374ffb318a4f1414997e9aadd764a5e4cf7147e6ad7c

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