Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://pistant.ru/uplcv?utm_term=www+ludo+star+apk+download PDF link annotation

  • http://kimyasaldubeller.com/upload/ckfinder/files/lifodoxogokobozopaze.pdfIn PDF document text
  • http://maivietnamesecotati.com/uploads/files/94217609749.pdfIn PDF document text
  • http://www.kymenhome-etsinta.net/tiedostot/files/rediximimukonojodirufexoj.pdfIn PDF document text
  • http://abwingsmd.com/uploads/files/54171039972.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/81067684660.pdfIn PDF document text
  • https://dianthusindustrial.com/resimler/files/36702613463.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/3879169319.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/lebetutotim.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/eca2db5d18319f0767a1a6c9b984aa28/rufaz.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/53100528274.pdfIn PDF document text
  • http://yourmoneyyourbank.com/uploads/File/ditaterutenebubanuzej.pdfIn PDF document text
  • https://kitapkaplama.com/upload/ckfinder/files/jawuxusajaxexakifil.pdfIn PDF document text
  • http://gazduire-domeniu.com/UserFiles/file/judizu.pdfIn PDF document text
  • http://zamgph.com/FCKeditor/editor/filemanager/connectors/php/uploads/file/010958258092.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/161456f7dee303---5747490256.pdfIn PDF document text
  • https://adminico.nl/userfiles/file/vubonujikejunoxibatij.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/notabeniduga.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/4b78627f3c67dbcde821ff7acc805e09/75000888310.pdfIn PDF document text
  • http://kbidc.kr/upload/editor/file/1630981166.pdfIn PDF document text
  • http://1yunnan.com/ckfinder/userfiles/files/62199620176.pdfIn PDF document text
  • https://computerzone.pk/file/zeturakuga.pdfIn PDF document text
  • http://retailcop.ca/files/bopabof.pdfIn PDF document text
  • http://jfhconsultancy.nl/userfiles/files/kizasazove.pdfIn PDF document text
  • https://botroul.be/uploads/dasolufodu.pdfIn PDF document text
  • http://gamax-motor.cz/data/dokumenty/kurix.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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