Malicious PDF — malware analysis report

Static analysis result for SHA-256 c95f5802ca0ff3cd…

MALICIOUS

PDF

85.9 KB Created: 2021-05-08 17:51:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: e1ade48962718b38a7f51e534a21d55d SHA-1: b96a9a4fe64a7d370a50fee4beff19249ddd62b9 SHA-256: c95f5802ca0ff3cd455e2a8c3a2cfe93ed12457098aa69e4bbd9026cc2c87aac
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URL that leads to a site offering a 'Metroid prime 2 logbook guide', suggesting a phishing or social engineering lure. While no scripts were explicitly extracted, the PDF structure and embedded URI indicate a malicious intent to redirect users to a potentially harmful external resource.

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://botokaw.ru/strik?utm_term=metroid+prime+2+logbook+guide PDF link annotation
    • http://toreret.scienceontheweb.net/ccna_lab_manual_for_cisco_routing.pdfIn PDF document text
    • http://arevakar-travel.com/rupubanejapifutasejgpvjv.pdfIn PDF document text
    • http://fibiver.mygamesonline.org/characteristics_of_management_control_system.pdfIn PDF document text
    • http://dowotezovemalo.mygamesonline.org/altruism_meaning.pdfIn PDF document text
    • http://tujukesabegakom.mygamesonline.org/pireximiruxun.pdfIn PDF document text
    • http://smartcreditscore.info/219540474766lq63.pdfIn PDF document text
    • http://pirewarekow.mywebcommunity.org/betudojavefu.pdfIn PDF document text
    • http://xijipeva.mypressonline.com/copper_sulphate_msds.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/jimugivos/er_on_smart_tv.pdfIn PDF document text
    • https://s3.amazonaws.com/zewimu/judajidaxatizukelim.pdfIn PDF document text
    • https://s3.amazonaws.com/selivuvumepaveb/zexexonokenawemedovura.pdfIn PDF document text
    • https://s3.amazonaws.com/wuzalugiseto/android_emulator_for_windows_7_1gb_ram.pdfIn PDF document text
    • https://s3.amazonaws.com/suzujewa/sotonodezigivobe.pdfIn PDF document text
    • http://panexorumilogim.myartsonline.com/muslim_history_of_spain_in_urdu.pdfIn PDF document text
    • https://s3.amazonaws.com/tarajix/integrated_advertising_promotion_and_marketing_communications_global_edition.pdfIn PDF document text
    • http://ligujizulogi.atwebpages.com/sovupijomurezutijopunit.pdfIn PDF document text
    • https://s3.amazonaws.com/punagilelabon/59150430059.pdfIn PDF document text
    • https://s3.amazonaws.com/jusuberu/dias_feriados_de_puerto_rico_2020_accredited_state_chamber.pdfIn PDF document text
    • https://s3.amazonaws.com/lopeteb/24937643289.pdfIn PDF document text
    • http://kikanelomer.onlinewebshop.net/wetibe.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_off000114e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x114E2 5232 bytes
SHA-256: 900f5aee7b56b690e008350ecd199d612eab92fb95d204824c3a23fed186e87d
font_01_sfnt_off000126a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x126A3 10532 bytes
SHA-256: 676814f4744f8d10d4648d7666266eac52e23a17825fc6e83153e2cb497d60be

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