Malicious PDF — malware analysis report

Static analysis result for SHA-256 3361b346500acb93…

MALICIOUS

PDF

67.8 KB Created: 2021-03-06 23:52:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 8899b66119acb367aa6892266c6bbac1 SHA-1: 5959ef4d786310011d95a0ab9486295c6ea09ddf SHA-256: 3361b346500acb93b87da8e3f3f8184f469133305d3d9cc1463aada3b9e1d9fa
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://dugedepap.ru/wix?keyword=net+force+worksheet+doc PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4497095/normal_5fc85fba06c83.pdfIn PDF document text
    • http://zugasanuko.getenjoyment.net/nkjv_open_bible_amazon.pdfIn PDF document text
    • http://zevewidojodot.mywebcommunity.org/think_and_grow_rich_ebook_kindle.pdfIn PDF document text
    • http://lowufadit.scienceontheweb.net/jeu_carte_kems_signe.pdfIn PDF document text
    • http://zeboxagekej.sportsontheweb.net/bamozizuburigadexo.pdfIn PDF document text
    • http://junumidutuzakox.getenjoyment.net/23918668636.pdfIn PDF document text
    • http://nabavawuzafurur.mygamesonline.org/price_of_sony_a6500_in_nepal.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387814/normal_6015c0e76e205.pdfIn PDF document text
    • http://votixibutiro.medianewsonline.com/tecumseh_carb_kit_for_sale.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471946/normal_6019ba0eef506.pdfIn PDF document text
    • http://xufuxenu.mypressonline.com/brookstone_pocket_projector_app.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380411/normal_5fd67ff82124e.pdfIn PDF document text
    • http://vorecan.fun/kkrtma_filmi_izle_trke_dublaj_tek_para3y53s.pdfIn PDF document text
    • http://kpupnov.pro/zapudevexebapobokojewxlgv5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415309/normal_601043ba89b4c.pdfIn PDF document text
    • http://maslovauto.ru/18175878662wzybr.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/40dc04d7-c519-4bb2-83db-d79429636b56/applied_statistics_and_probability_for_engineers_solution_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7bd7130f-7d30-4ffb-97c2-b9ec503d9bb9/71277840732.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6234b037-8ec3-45ca-ae89-34b427eb2e4e/tibijivopokekegukakaso.pdfIn PDF document text
    • http://fepoxojosatomu.epizy.com/killer_instinct_super_nintendo_guide.pdfIn PDF document text
    • http://mufogedone.epizy.com/alternatives_to_google_forms_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7adc1041-b5e0-49fd-9283-6ace77cbe557/apple_iphone_x_sms_tone_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d9e0b295-0fd6-4e9c-af1f-f218d56d3fdc/pujetarojomiwejuwavaruba.pdfIn PDF document text
    • http://texatopewewew.epizy.com/72848581975.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_off0000cc88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC88 4992 bytes
SHA-256: ff4cec3bfa94f651649fd425fed4dba3bf43a69ec932985646cb69072ffd7b29
font_01_sfnt_off0000dd9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD9F 10960 bytes
SHA-256: 8268362a4fa42aa2896d9cbe8996046821a6ee16def33d1f7b6026366b9dab49

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