Malicious PDF — malware analysis report

Static analysis result for SHA-256 1104839666e79369…

MALICIOUS

PDF

72.4 KB Created: 2021-03-06 13:43:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: c5c321fdea943a9200757e77338a82f4 SHA-1: 68a09756922285c174e2a512ac7ac330b1cfb623 SHA-256: 1104839666e793692f86c53ef844b2b7e7445b5cf55691cedc305c97c4a9bb9e
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://xezojetit.ru/wix?keyword=water+strider+guide PDF link annotation
    • https://zipuwuxa.weebly.com/uploads/1/3/4/3/134376087/1749954.pdfIn PDF document text
    • https://padokerasuwo.weebly.com/uploads/1/3/5/3/135319223/41662035.pdfIn PDF document text
    • http://xutefizil.getenjoyment.net/wobimunidobutoxesunemireb.pdfIn PDF document text
    • http://wabiferofuvud.mygamesonline.org/python_2.7_set_methods.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388407/normal_601d925019398.pdfIn PDF document text
    • http://xofelivigavas.mywebcommunity.org/64018948320.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4498842/normal_5ffe1d399d613.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486566/normal_5fcf4f862efa4.pdfIn PDF document text
    • http://zevewidojodot.mywebcommunity.org/think_and_grow_rich_ebook_kindle.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421461/normal_601253fa55fab.pdfIn PDF document text
    • http://lamakexo.scienceontheweb.net/what_questions_to_ask_hr_manager.pdfIn PDF document text
    • http://pumaguli.scienceontheweb.net/jmu_university_outpost_coupon_code.pdfIn PDF document text
    • http://wijetaz.mypressonline.com/sojofo.pdfIn PDF document text
    • http://gajonedorebuko.mywebcommunity.org/kohler_k241_engine_parts_diagram.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447460/normal_6038c4a5300d8.pdfIn PDF document text
    • https://sanokigoj.weebly.com/uploads/1/3/4/8/134863934/2358406.pdfIn PDF document text
    • http://siwivelijutore.medianewsonline.com/ruzujinijujesi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pelebirepopo.onlinewebshop.net/garmin_nuvi_2597lmt_vehicle_gps.pdfIn PDF document text
    • https://891dfe3a-8969-4df2-b253-5ccc4ebbb7a0.filesusr.com/ugd/e66789_b04330fe6bec4ab587f7ff26462906b8.pdf?index=trueIn PDF document text
    • http://domuromu.atwebpages.com/main_tajweed_rules.pdfIn PDF document text
    • http://zobuwijezad.onlinewebshop.net/what_is_an_aquifer_thermal_energy_storage_system.pdfIn PDF document text
    • https://41be308f-8a64-4dec-8b30-4937605be974.filesusr.com/ugd/f042fe_01e2ce2f0d3c436887e2939651bb520f.pdf?index=trueIn PDF document text
    • http://kalasoziluxolim.myartsonline.com/58839767167.pdfIn PDF document text
    • https://b54663a3-ff9d-4122-b75c-69b71428c9b0.filesusr.com/ugd/cfa91a_e82a2fdc4a6f4a1194f68cd486b1f19b.pdf?index=trueIn 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_off0000e0c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0C6 4972 bytes
SHA-256: 9fb16d1ec297b3d48cac96ee56c5ea97840dab923b60c4d093930a4a2fb414c3
font_01_sfnt_off0000f1ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1CA 10148 bytes
SHA-256: 304788feecae3d41f0cc8adb6041c2b9fbd4bd27d001e45a86f4a625319b047b

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