Malicious PDF — malware analysis report

Static analysis result for SHA-256 60912c5cbad59bc6…

MALICIOUS

PDF

72.2 KB Created: 2021-03-05 02:52:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 0a281fdef8fab5c963e80fe21b607afc SHA-1: 8724ab0832956a4c6bcafa26c8c88e8d6e090087 SHA-256: 60912c5cbad59bc61a7c6b3be513522198cd1290d28e653f24a0f41ed0cfc213
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://seumenha.ru/wix?keyword=grundfos+up+15-50+manual PDF link annotation
    • https://sufotope.weebly.com/uploads/1/3/0/7/130775917/salekofibolojef-zifiri.pdfIn PDF document text
    • http://gejopuzebizovuk.iblogger.org/danetapekevefuk.pdfIn PDF document text
    • https://zevebijupaxize.weebly.com/uploads/1/3/4/7/134754497/9080201.pdfIn PDF document text
    • http://basiditdcf.space/96091930866b5bh9.pdfIn PDF document text
    • https://ralanuda.weebly.com/uploads/1/3/0/7/130775203/nefabozum.pdfIn PDF document text
    • https://guzepebizosi.weebly.com/uploads/1/3/4/8/134880367/1878112.pdfIn PDF document text
    • http://nesobaka9.xyz/digital_media_advertisingq72zv.pdfIn PDF document text
    • https://sifegofariwe.weebly.com/uploads/1/3/1/4/131437131/xerorufetu_menonim.pdfIn PDF document text
    • https://mazogerivajusem.weebly.com/uploads/1/3/4/3/134341978/vikezokumori-lefuxapixeb-jiwezimo-vonijev.pdfIn PDF document text
    • https://zalinojawovuga.weebly.com/uploads/1/3/4/8/134886974/najopimaxon.pdfIn PDF document text
    • http://wumewil.sportsontheweb.net/the_hunger_games_mockingjay_part_1_hulu.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/2466bb15-51f2-4545-bab1-e66281837418/what_child_is_this_piano_sheet_music_with_lyrics.pdfIn PDF document text
    • http://suluzisose.rf.gd/avon_catalogue_september_2018.pdfIn PDF document text
    • http://tejusadesivuti.epizy.com/xivas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/22609e91-9abd-4bc1-b137-85409333dbe3/does_the_mini_pill_improve_mood.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5ef29fd6-3b16-4353-87d8-840b18c93b27/profusion_5000_watt_heater_external_thermostat.pdfIn PDF document text
    • http://zajupulavofawi.myartsonline.com/what_medicine_is_used_for_coronary_heart_disease.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d1a4b3a2-d448-4887-bbb5-3c47badfb409/how_to_check_voicemail_on_my_vtech_cordless_phone.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_off0000dcae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCAE 5568 bytes
SHA-256: 60d5a5a9121219f32bc2ffd67b7a1d7d61dbf5308c696ab3bbd978324f520b9c
font_01_sfnt_off0000ef9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF9D 10652 bytes
SHA-256: 83a01610056a80e72edc164997b0d460664400b7814f9909b1dea1c5c0790fe8

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