Malicious PDF — malware analysis report

Static analysis result for SHA-256 06a9e14098802e8f…

MALICIOUS

PDF

81.2 KB Created: 2021-05-24 21:39:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 30a756646d3ff672bbfe06adc4e310b1 SHA-1: 191cc5178a58e2589fbb0b6a01ed9ffa0251d7a7 SHA-256: 06a9e14098802e8fef197e8348db76c50369901c25eb67fd89ea0a430728d12d
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 0.9996

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://fokemale.ru/strik?utm_term=crows+zero+2+full+movie+eng+sub+free+watch PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4370284/normal_5fefa7ef376d9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370737/normal_6011b1ede6d91.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4480383/normal_5fe4fb2d0a096.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462727/normal_6047d7e26713b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413842/normal_5fd7c1cb8fd10.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4428061/normal_5ff8ce3d7f8ad.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420930/normal_603065069fa6b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403560/normal_5fdd1229e436a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495395/normal_5ff2fbb849706.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375907/normal_604b500258b7d.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/55bf78aa-b06a-4609-9bad-470a56d9db2b/husky_1550_pressure_washer_parts_diagram.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bd6b1bbd-9403-4e24-8f14-93db92947c70/39690853120.pdfIn PDF document text
    • https://s3.amazonaws.com/vonusirukete/tugarenuwagolosanek.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f6b6cc63-07d0-45c1-9936-45bffa00a659/do_ego_lawn_mowers_go_on_sale.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzaganog/16246584745.pdfIn PDF document text
    • https://s3.amazonaws.com/fomaralunex/mifigibogetubagubufu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0542eb61-0196-4d74-a4dc-3eff4774c890/3_phase_motor_single_phase_supply.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/db3791dc-d2db-4523-9b8c-f88c2ab566ed/xfinity_tv_app_connection_error.pdfIn PDF document text
    • https://s3.amazonaws.com/benubapopikaj/lithium_hydroxide_processing_plant_flow_sheet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f4cbc75c-aa28-4dd7-9868-98b865d99f59/pioneer_model_sx-780_specs.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f275d2ac-845d-4d0c-b81a-89c0b772ebc0/eat_fit_meal_plan_reviews_reddit.pdfIn PDF document text
    • https://s3.amazonaws.com/furunumaroxun/lightning_thief_musical_tour.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_off0000fec1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEC1 5672 bytes
SHA-256: 257a7ff2fe4634b7dfa17025c0e57b3c4a545ab73f381964d4ba1c5f44404f85
font_01_sfnt_off00011209.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11209 10864 bytes
SHA-256: 738f19c063a6a9eafd6f93e0a4203ca2828d45667dddf025844ddcabde8642e5

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