Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a0edc0cef9b5b70…

MALICIOUS

PDF

75.7 KB Created: 2021-02-21 04:20:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 26ab82f4ccbc7f6736f2b6409d98511c SHA-1: 3d6f31725352f080df6bb93c9846f539926f267c SHA-256: 3a0edc0cef9b5b708ff0fca8d92185275e8e87823a688e986684b73d12ce9a92
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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=1-1+the+compound+microscope+worksheet+answer+key PDF link annotation
    • https://cdn.sqhk.co/sedazozesufu/gdHieru/kivederalazuv.pdfIn PDF document text
    • https://cdn.sqhk.co/rifelefiw/h9ijjgJ/cnc_machinist_job_description.pdfIn PDF document text
    • http://trelon.fun/tijexuwemebedasi8usie.pdfIn PDF document text
    • http://shopbest.online/alex_rider_stormbreaker_book_quotess4sia.pdfIn PDF document text
    • https://cdn.sqhk.co/tuvameboroke/pFbiiji/strategic_planning_process_steps.pdfIn PDF document text
    • https://bolowotusupiwam.weebly.com/uploads/1/3/5/3/135300352/zusunofe-fazizijar-pekesojira.pdfIn PDF document text
    • https://tenuwikenosex.weebly.com/uploads/1/3/6/0/136082269/3199085.pdfIn PDF document text
    • http://taxavifosobedul.iblogger.org/mobojigebubaxi.pdfIn PDF document text
    • https://sekojeti.weebly.com/uploads/1/3/4/5/134583019/1823463.pdfIn PDF document text
    • https://cdn.sqhk.co/kepebeso/hbgdl1B/empires_and_puzzles_guide_titans.pdfIn PDF document text
    • https://ledapenilodaro.weebly.com/uploads/1/3/1/0/131070651/xuxenoz.pdfIn PDF document text
    • http://itfamily.pro/rikatujudigubijedolalagiw7ke.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xuresiru.epizy.com/37874071003.pdfIn PDF document text
    • http://lijazujarakowom.epizy.com/elder_abuse_mandated_reporting_illinois.pdfIn PDF document text
    • http://monulaw.epizy.com/ariston_water_heater_user_manual.pdfIn PDF document text
    • http://puwomuf.rf.gd/16829520638.pdfIn PDF document text
    • http://zinuforonubas.rf.gd/chrome_exe_for_selenium_webdriver.pdfIn PDF document text
    • http://pidosowot.epizy.com/free_hourly_agenda_template.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_off0000ebfe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBFE 5528 bytes
SHA-256: 1d3c8f3ded8decaf9fc2312e27380b52088ff2226f83c3f32b2f395d5c5fe2e3
font_01_sfnt_off0000febe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEBE 10148 bytes
SHA-256: 4ba516997adc9abb38a4f1bb6491acabc9876148f11845aa8c8fd8e0d88267ce