Malicious PDF — malware analysis report

Static analysis result for SHA-256 c95341b05dbe2725…

MALICIOUS

PDF

70.6 KB Created: 2021-03-08 08:13:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 85a8bf913f79fd973793ebf454568583 SHA-1: 0134286b6e13eb3d9003c0f500d4bbdea6368b00 SHA-256: c95341b05dbe2725ac28f9d3f1bc52196a650bfee9386bb40951d3e0218e5895
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://gimoguvi.ru/wix?keyword=mosby%2527s+review+pharmacy+technician+pdf PDF link annotation
    • http://mybatut.store/xelajuwehcljk.pdfIn PDF document text
    • https://cdn.sqhk.co/nakunadubux/ehhr9di/21740508489.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421966/normal_60331a306be53.pdfIn PDF document text
    • http://nusowutevu.getenjoyment.net/laroxejuruludopadada.pdfIn PDF document text
    • http://pawezujexas.mywebcommunity.org/lean_startup_book_amazon_kindle.pdfIn PDF document text
    • http://womenit.space/why_isnt_my_washing_machine_drum_turning8inja.pdfIn PDF document text
    • https://cdn.sqhk.co/xasexuwosul/1Jjb6Cf/41987722649.pdfIn PDF document text
    • http://sodahq.pro/91991640930kbbr6.pdfIn PDF document text
    • https://mixuvuweti.weebly.com/uploads/1/3/1/4/131483588/wefusire_mewojewenob_zesonozatebe_tikopa.pdfIn PDF document text
    • https://cdn.sqhk.co/zebenane/idCibjg/snow_bros_original_game_download_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369776/normal_6021a71a8dd75.pdfIn PDF document text
    • http://upgrade4me.com/vowizonewebunscvuu.pdfIn PDF document text
    • https://gilulunerokife.weebly.com/uploads/1/3/5/2/135296548/pipuzezaj-jebakokamaxupo-xipojarilok-devizafewa.pdfIn PDF document text
    • http://wasegulom.mygamesonline.org/godewimoxagezaxesiradojev.pdfIn PDF document text
    • https://naxibozagut.weebly.com/uploads/1/3/4/5/134580084/fejanuxabugajat.pdfIn PDF document text
    • https://cdn.sqhk.co/fabetojowuje/fghXhhr/42698047445.pdfIn PDF document text
    • http://zigapajuxijado.mywebcommunity.org/maths_tricks_in_hindi_images.pdfIn PDF document text
    • https://cdn.sqhk.co/jefapukawore/3AZ4vhf/62809002760.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/rujimidujek/nomamure.pdfIn PDF document text
    • https://s3.amazonaws.com/zunewidimem/rupitafat.pdfIn PDF document text
    • https://s3.amazonaws.com/fosalizuzu/88418781423.pdfIn PDF document text
    • https://s3.amazonaws.com/bupaxomu/nogiwamajelezazojiru.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_off0000cac8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCAC8 5584 bytes
SHA-256: 8d780a6b8994fd36f1017602b03f7c0402f14c95de6d0d52507634a846f4edcc
font_01_sfnt_off0000ddb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDB9 9636 bytes
SHA-256: 4e566e8fa099f77c5981973dc73d225f4b50cb66331ef710a0dd4e3218a8cb4c
font_02_sfnt_off0000febe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEBE 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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