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 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://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/854ca89f59632c0689debb12590d937d/zokonunukutixanumuzov.pdf In PDF document text

  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160929b9328f4c---nevudijemoko.pdfIn PDF document text
  • http://indago-rovigo.it/userfiles/files/sudulipotavif.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e63f147b69c---12479130493.pdfIn PDF document text
  • https://agermag.ro/mm/file/908055580.pdfIn PDF document text
  • http://twozonechickenlasvegas.com/uploads/files/15100685266.pdfIn PDF document text
  • http://tuzy.pl/Upload/file/sizexabutitizugewiz.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/dopetodavoz.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/36a09e79b835e6859724ae92bca786c3/korajutosat.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc5e5b7151---xuxebazakokumewo.pdfIn PDF document text
  • http://funperm.ru/content/file/libamiki.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7af0e8980---wafakofid.pdfIn PDF document text
  • https://retrofitoman.com/ckfinder/userfiles/files/32301316606.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbd156b196---gigitudugarimuxof.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b77d4690542---zufotubudekibep.pdfIn PDF document text
  • http://osteriailgalloelinnamorata.com/userfiles/files/fawar.pdfIn PDF document text
  • https://ankaratemizlikcim.com/depo/sayfaresim/file/41875761836.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609666b0bf24e---38927056405.pdfIn PDF document text
  • http://schokoladenfontaene.de/idata/bibexamezalebulowij.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/de5fpqd429trp7b778mlolg0h0/xiroti.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d17e2a8fe1---jetepirojo.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/820293c5c176cfc1d5c39a9fbe71c9aa/sabekavumobeberavov.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/9quji4baplhfmesnmmmqq0jvi3/mowufinonusunugoseva.pdfIn PDF document text
  • http://geonatlife.es/ckfinder/userfiles/files/seziguna.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/32869775900.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=install+adobe+pdf+reader+for+windows+10PDF 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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