Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://laborke.ru/uplcv?utm_term=descargar+the+king+of+fighters+2002+magic+plus+para+android+apk PDF link annotation

  • http://abpjse.news-read.com/upload/files/22516689921.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/jejax.pdfIn PDF document text
  • https://thehouseconcert.com/ckfinder/userfiles/files/73696611193.pdfIn PDF document text
  • http://gwardiajuvenia.pl/zdjecia/fck/file/96676397614.pdfIn PDF document text
  • http://urdu-hadith.com/survey/userfiles/files/4075319915.pdfIn PDF document text
  • http://www.insight-assessment.com/ckfinder/userfiles/files/wilebenumuj.pdfIn PDF document text
  • https://kanat.com/upload/ckfinder/files/7479865291.pdfIn PDF document text
  • https://bibliotheque-des-arts.com/ckfinder/userfiles/files/4708731101.pdfIn PDF document text
  • http://highlevel.pl/userfiles/file/75277201958.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/bejefajuzuruzonuw.pdfIn PDF document text
  • http://bualuang101.com/backoffice/upload/files/fafemejesusupunazolafato.pdfIn PDF document text
  • http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/favaxewiwufubulibeba.pdfIn PDF document text
  • http://nayyaralidada.com/alpha/ckfinder/userfiles/files/41468153021.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613516a116e4a---jimujejatixomefumexizojub.pdfIn PDF document text
  • https://allegypttours.net/userfiles/files/46296812856.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135bec794272---lelojimosanenazopibuw.pdfIn PDF document text
  • http://ngnjl.com/userfiles/files/81112259444.pdfIn PDF document text
  • https://salvatoredivilio.it/userfiles/file/jovades.pdfIn PDF document text
  • http://preiss.at/upload_files/files/53231937307.pdfIn PDF document text
  • https://www.aaptuk.org/ckfinder/userfiles/files/gabapopekavilowawopikowe.pdfIn PDF document text
  • http://levne-pohary.cz/UserFiles/File/jamobosidugagaso.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/16136a492aaf4f---mimawugiwekenibupoximak.pdfIn PDF document text
  • http://doradcyprawni.com/images/pliki/8203696559.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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