Malicious PDF — malware analysis report

Static analysis result for SHA-256 036301a65fe88299…

MALICIOUS

PDF

68.7 KB Created: 2021-03-06 16:24:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: dddf3ef152e80d94cb94d3fb5e0a7a61 SHA-1: 1b629495e2317ecdb974da2b39281048a97aa733 SHA-256: 036301a65fe882996f7a7e0832dd48c3c39e5a5a26fdad21f4a4a68cab91922e
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://jacksth.ru/award?keyword=netgear+gs108pev3+setup PDF link annotation
    • http://deflecfcvy.best/tupuzexulavofaxop8rx4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474475/normal_60292fdc946be.pdfIn PDF document text
    • http://mkr-olimp.info/95652351280zdv7r.pdfIn PDF document text
    • http://vuzitofakomuj.22web.org/61259916366.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490516/normal_5ffb9fbd23174.pdfIn PDF document text
    • http://kebawed.iblogger.org/wovirutu.pdfIn PDF document text
    • http://fruitik.space/74560644572y0637.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465402/normal_5ffe88a7c07ca.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375531/normal_5fd6da2de03ab.pdfIn PDF document text
    • http://ayazshabutdinov.club/yamaha_rx-v679_service_manualc55fn.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412174/normal_5ff5362f8ba21.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/a7a56c69-d191-42f8-8d34-1783a86c9670/crypto_trading_for_beginners_reddit.pdfIn PDF document text
    • https://s3.amazonaws.com/wokesabisevo/juxubivirofidunam.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9fd48723-cd72-46c9-be52-c49963b6ad5d/whats_good_to_watch_on_netflix_uk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/22827778-0deb-43dc-81d1-b1a7185ac607/what_is_project_management_software_used_for.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b3e988a9-10fa-4e65-81fb-593576f34572/bartok_mikrokosmos_volume_2.pdfIn PDF document text
    • https://s3.amazonaws.com/pajeriramal/android_bitmap_sample_size.pdfIn PDF document text
    • https://s3.amazonaws.com/jukoxisojow/what_are_good_names_for_cleaning_business.pdfIn PDF document text
    • https://s3.amazonaws.com/gagagakigibapo/shop_vac_switch_repair.pdfIn PDF document text
    • http://lubuzasoxevixan.epizy.com/best_software_testing_training_institute_in_bangalore.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bfb96c5f-ecec-4c70-8cae-9d04fa4454eb/original_dd_classes.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_off0000cfc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFC3 5536 bytes
SHA-256: f09c5cbed5d5558462a4c8dfdf7665acd68b487eedd6e05f52e85a75ebbfe088
font_01_sfnt_off0000e2be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2BE 10272 bytes
SHA-256: b1ce40d4cd05551486a2186cb2af0afcf1cd7aca9718e633c1f6e888039530f0

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