Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://tecresconsolidamentorestauro.it/fck_data/file/32493550046.pdf In PDF document text

  • https://profm.hu/files/file/basopenexewin.pdfIn PDF document text
  • https://ostrichtours.com/ckfinder/userfiles/files/14816907065.pdfIn PDF document text
  • https://journalofcritique.com/ckdosyalari/upload/files/20037996392.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/brpsaq9kr9qgko76s9kp7nc6bs/33153921973.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/71115208578.pdfIn PDF document text
  • http://zatexpress.com/upload/userfiles/files/74434427362.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/arpi4tdurbvnhe5o0b8vvmies5/nezafir.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/320cadfd561d94366a9d3a1a7630e4ed/89280450494.pdfIn PDF document text
  • https://tanhoaphat.vn/userfiles/file/67000258551.pdfIn PDF document text
  • https://spvi.cn/filespath/files/20210902065921.pdfIn PDF document text
  • https://fceresources.com/ckfinder/userfiles/files/rewipotegewovikimumul.pdfIn PDF document text
  • http://cwpni.com/userData/ebizro_board/file/xakan.pdfIn PDF document text
  • https://5703n1n6999-6a55.com/contents/files/vaxupodazumovawezip.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161301ca5d2aa4---nezesiwosekubuze.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/6bf2cff6081a7b429196c796e7e652a9/zesiforo.pdfIn PDF document text
  • http://kammerchor-lindau.com/file/53969975396.pdfIn PDF document text
  • http://stoka-saarlouis.de/userfiles/file/68789349061.pdfIn PDF document text
  • http://studioesflores.pl/obrazy/file/zazuwadajixozesapemob.pdfIn PDF document text
  • https://simbhaolipower.com/images/file/vuxomujaragabijagapalafeb.pdfIn PDF document text
  • http://hermandadperdon.es/userfiles/file/papuvibofojijef.pdfIn PDF document text
  • http://zgkimsteszew.pl/img/upload/files/nasisefalalibi.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/c2c77e866808702a5a2240d543dfa8ea/boxodolalezejebakev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=download+ps2+games+for+android+emulatorPDF link annotation
  • 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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