Malicious PDF — malware analysis report

Static analysis result for SHA-256 084f24c1dab07f65…

MALICIOUS

PDF

79.7 KB Created: 2021-04-28 07:52:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: e0a06f454c827c2b48d77ab1d8702423 SHA-1: d290ff2e0b3251e30a3dd04683f9ae58b443d2f0 SHA-256: 084f24c1dab07f65ae18ca9660e42add4c0d8446cec2fe929ef1eb3e715f9d9c
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 0.9991

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://baarspo.ru/strik?utm_term=cmd+command+to+show+all+ip+addresses+on+network PDF link annotation
    • http://fajasated.mywebcommunity.org/ulcer_diet_menu_plan.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/tomamujuf/riwevativabanesanawam.pdfIn PDF document text
    • https://s3.amazonaws.com/mukut/directv_cbs_channel_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/tipikaxe/what_happens_if_you_break_a_rental_lease_in_bc.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/87486e6c-9a5c-43b5-b166-229f9e75bd8b/65_inch_corner_tv_stand_walmart.pdfIn PDF document text
    • https://s3.amazonaws.com/xuvamuba/38612753965.pdfIn PDF document text
    • https://s3.amazonaws.com/tokatefozude/baby_boy_movie_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c5f40cf8-37f3-4d59-92b9-4c7baa056dd7/microsoft_flight_simulator_2020_release_xbox_one.pdfIn PDF document text
    • https://s3.amazonaws.com/gopifu/tappan_stove_oven_not_working.pdfIn PDF document text
    • https://s3.amazonaws.com/muvevanepen/best_picture_collage_app_android.pdfIn PDF document text
    • https://s3.amazonaws.com/fomudebipefasu/lelizud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/608351d1-8c15-4db4-8976-7191e40980e6/wd_my_cloud_mirror_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/pazerogasarinu/ruxir.pdfIn PDF document text
    • https://s3.amazonaws.com/ximupuv/35734705482.pdfIn PDF document text
    • http://xusapibu.onlinewebshop.net/el_alienista_descargar.pdfIn PDF document text
    • https://s3.amazonaws.com/fonazuzixagizir/around_the_world_in_80_days_chapter_35_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/zedudo/lukimirozozaligazim.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/icsp_header_full_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/25afeabb-17bd-4679-a340-bee75fba4cb1/badozajiperi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5a8ea1dc-e6b6-48ea-a37b-903b68567d7e/3653420585.pdfIn PDF document text
    • https://s3.amazonaws.com/kovozenamofox/serie_after_livro_5.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f26715ca-0aa9-43d4-8406-0cc80600bc6a/how_much_does_a_senior_electrical_engineer_make.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/61c6db7d-192b-48c8-a5b3-725b9896c874/how_to_form_a_workout_plan.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eca1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECA1 5280 bytes
SHA-256: 5ce846768fafe4516db639061f71c7d8714e1e9da26fe12edf404654c015541f
font_01_sfnt_off0000fe6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE6D 10544 bytes
SHA-256: e98ce192631ac3859b379d188d569f4713b0c74d0cc4cd64811f7316b91fe7c9
font_02_sfnt_off00012284.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12284 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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