Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PHP webshell / backdoor source high WEBSHELL_PHP
  The file contains PHP server-side code with the signature of a webshell/backdoor (request input fed to a command/code-exec sink). A webshell takes attacker input from an HTTP request and runs commands/code on the server. Flagged as a malicious hacktool artifact even when carried inside a document or archive — the code does not execute from the carrier, but the file is a webshell.
• 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=cubic+castles+hacks PDF link annotation

  • http://kulokozataxat.22web.org/funny_brain_teaser_questions_with_answers.pdfIn PDF document text
  • https://cdn.sqhk.co/vadezewe/gerDgg2/jesexiseka.pdfIn PDF document text
  • http://romabeveseruzor.22web.org/http_addon._griyabayar._com_versi_terbaru.pdfIn PDF document text
  • https://cdn.sqhk.co/riwifesineji/hdgchcP/hori_tactical_assault_commander_4.pdfIn PDF document text
  • https://cdn.sqhk.co/jaxubefe/iSijsCd/miley_cyrus_wrecking_ball_lyrics_karaoke.pdfIn PDF document text
  • http://gexuniganije.iblogger.org/96300566273.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://zimozovo.epizy.com/zunoromukuvakavikowo.pdfIn PDF document text
  • http://xosekube.epizy.com/25062437860.pdfIn PDF document text
  • http://zerekigukazaja.epizy.com/27876089915.pdfIn PDF document text
  • http://susebuxusebug.epizy.com/wubadabunesojin.pdfIn PDF document text
  • http://rorujuzolu.epizy.com/accurate_english_book.pdfIn PDF document text
  • http://rubabup.epizy.com/rigikuropazozasezoxefe.pdfIn PDF document text
  • http://zasegusof.epizy.com/lansdale_reporter_graduation.pdfIn PDF document text
  • http://pidosowot.epizy.com/kinitekoxoraliv.pdfIn PDF document text
  • http://valamujunitun.epizy.com/27406871922.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

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