Malicious PDF — malware analysis report

Static analysis result for SHA-256 461e2fd4e9918039…

MALICIOUS

PDF

69.5 KB Created: 2021-03-10 01:47:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: e41df9c11d04bb8c9463918008506bf8 SHA-1: 55d4a354fa58d6ef0856973517ed74b785547289 SHA-256: 461e2fd4e99180399d569a11f292a4ee73df638393da437929dfc79ed8ea16d5
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://druttle.ru/wix?keyword=cressi+dive+computer+manual PDF link annotation
    • http://fruit-italy.space/how_is_snape_the_half_blood_princegwkif.pdfIn PDF document text
    • http://xumupizaxuto.scienceontheweb.net/honeywell_6160_user_manual.pdfIn PDF document text
    • http://vimabanu.sportsontheweb.net/can_a_trustee_resign_from_a_trust.pdfIn PDF document text
    • https://cdn.sqhk.co/wasefago/ghgZjiG/car_racing_offline_mod_apk_download.pdfIn PDF document text
    • http://excschool.ru/movie_wood_2019_telugujhr1y.pdfIn PDF document text
    • https://wowumufugijakig.weebly.com/uploads/1/3/0/9/130969685/fijubutomagev_tufesudirekux.pdfIn PDF document text
    • http://tasiperop.medianewsonline.com/mexunademigurejufaxelotiv.pdfIn PDF document text
    • https://viluvaxev.weebly.com/uploads/1/3/5/9/135974466/9429547f2bd7.pdfIn PDF document text
    • http://opssmall.space/united_states_army_ranks_ww2j9s93.pdfIn PDF document text
    • https://cdn.sqhk.co/begokaxawip/bVNOtIG/log_home_restoration_companies_in_missouri.pdfIn PDF document text
    • https://cdn.sqhk.co/tawibonikigo/tGtieP7/weaphones_ww2_gun_sim_free_apk.pdfIn PDF document text
    • https://gusumumonabol.weebly.com/uploads/1/3/0/7/130775475/sumodesuvovu.pdfIn PDF document text
    • http://romeoplanet.club/why_amp_goes_into_protect_modeq0l90.pdfIn PDF document text
    • https://namekabesomi.weebly.com/uploads/1/3/4/6/134668803/9afef0d907563a.pdfIn PDF document text
    • http://barajofa.mywebcommunity.org/q_see_camera_customer_service_number.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wutugegazebezop.rf.gd/7944672541.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c1191480-f4c0-4410-8af4-73764653e3ed/the_devops_handbook_audiobook.pdfIn PDF document text
    • http://kizaseridofe.rf.gd/ankhon_dekhi_movie_300mb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/45c5d454-4505-4d50-8e92-296503145870/very_short_panchatantra_stories_in_english.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8c92d571-b204-4a51-bdd4-af8ab7e79467/97236188453.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/82eec121-17e4-45f9-9549-456c60ace2c5/dark_souls_2_pine_resin.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_off0000d674.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD674 5184 bytes
SHA-256: 9bc0c212eb3edb13531176241ff3f9cb04efddede496364ac808c3b6cc17f13c
font_01_sfnt_off0000e801.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE801 9660 bytes
SHA-256: bc538d2a390f72d97574d1c5b3a3e5e711837f5d43320849ec714e9508d75042

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