Malicious PDF — malware analysis report

Static analysis result for SHA-256 71acb5068202be60…

MALICIOUS

PDF

73.1 KB Created: 2021-03-30 00:25:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0d6e87c032a1a9af24d036ffde20c2cb SHA-1: d1591db8d693860b121fb7924757a0d49649286f SHA-256: 71acb5068202be60b6bbc63e093d8ad704a9881fd525b336ed767367cd428fdf
86 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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/strik?utm_term=new+yorker+subscription+phone+number PDF link annotation
    • http://winoxolupuvil.getenjoyment.net/network_support_interview_questions_and_answers_for_l1_level.pdfIn PDF document text
    • http://fukuzowi.sportsontheweb.net/tobifirorikugazol.pdfIn PDF document text
    • http://trastqort.online/caps_for_sale_bookkekmz.pdfIn PDF document text
    • http://pumaguli.scienceontheweb.net/vizofunezamajilowikitu.pdfIn PDF document text
    • http://gepanukotex.getenjoyment.net/97627932330.pdfIn PDF document text
    • http://kujinatazema.sportsontheweb.net/konica_minolta_bizhub_c227.pdfIn PDF document text
    • http://naturebiolog.fun/which_dewalt_planer_is_bestcbhj0.pdfIn PDF document text
    • http://rezisekuvaz.mypressonline.com/american_funds_breakpoints.pdfIn PDF document text
    • http://tersq.fun/piselazozukefomizaralufiwef8xi.pdfIn PDF document text
    • http://jawixogu.mygamesonline.org/how_to_reset_dish_network_internet.pdfIn PDF document text
    • http://helpforteam.com/81398468778qqrn7.pdfIn PDF document text
    • http://safijejog.mygamesonline.org/help_beatles_tab.pdfIn PDF document text
    • http://sifinujox.sportsontheweb.net/endocannabinoid_system.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://liroporuki.myartsonline.com/why_is_my_washing_machine_not_draining_the_water.pdfIn PDF document text
    • http://jidumefimu.rf.gd/bejotul.pdfIn PDF document text
    • http://nuzelego.rf.gd/hindu_calendar_2020_panchang.pdfIn PDF document text
    • https://s3.amazonaws.com/jefazaxal/nijeto.pdfIn PDF document text
    • https://s3.amazonaws.com/rizoli/naxojazab.pdfIn PDF document text
    • http://korofituzuxigu.onlinewebshop.net/98401092709.pdfIn PDF document text
    • https://s3.amazonaws.com/susonanezaj/create_expenses_spreadsheet_excel.pdfIn PDF document text
    • https://s3.amazonaws.com/poguvelefa/visasetuveropugebibibiv.pdfIn PDF document text
    • https://s3.amazonaws.com/kevava/son_chiraiya_full_movie_movies_counter.pdfIn PDF document text
    • http://jokubamobivavum.onlinewebshop.net/zudunezusanegovi.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_off0000e196.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE196 5300 bytes
SHA-256: 81892bb093e690dadec8b54546bf9b9376a9dabbefa2ef96efd6f3fc842caa6d
font_01_sfnt_off0000f391.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF391 10312 bytes
SHA-256: 2bc137d52d26eb1cd341a445abfbfc9b8777acf9cba876526f15891b34db6bca