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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://allytemp.ru/uplcv?utm_term=android+bluetooth+pairing+code+example PDF link annotation

  • http://kaie.org/userfiles/file/20210913120354.pdfIn PDF document text
  • https://yuvasarkar.org/userfiles/file/xarif.pdfIn PDF document text
  • https://yp05.com/_UploadFile/Images/file/pajigulo.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613056f91cf76---99351492989.pdfIn PDF document text
  • https://ciiinnovationsummit.com/ci/userfiles/files/10686476338.pdfIn PDF document text
  • https://darshanam.com/ckfinder/userfiles/files/21007460236.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/81609578237.pdfIn PDF document text
  • http://skmsm.com/userData/board/file/wexitoxiwekexunuvomela.pdfIn PDF document text
  • http://shortguycentral.com/ck_uploads/files/96318917084.pdfIn PDF document text
  • https://toocapen.com/files/46421039373.pdfIn PDF document text
  • https://herfection.herfection.tw/upload/ckfinder_temp/files/20210901224652.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/45591984076.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613550915c09a---61811796428.pdfIn PDF document text
  • https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/70126402662.pdfIn PDF document text
  • http://hockjoohin.com/admin/uploads/file/kelejijupujamanavafof.pdfIn PDF document text
  • https://canionglobal.com/FCKeditor/file/33849978816.pdfIn PDF document text
  • http://rgn2u.com/userfiles/files/lofebopumukipukoron.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161316773ce614---74532618293.pdfIn PDF document text
  • https://phucatgarment.com.vn/ckfinder/userfiles/files/53624437342.pdfIn PDF document text
  • https://jechrina.gr/FCKeditor/userimages/file/639503411.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/8566616589.pdfIn PDF document text
  • https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/gidazobaxikog.pdfIn PDF document text
  • http://citescolairedeledit.com/include/file/nituxilofefoposuxu.pdfIn PDF document text
  • http://shipagents.nl/uploadfiles/file/22614078106.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/b50e900b273966c5d84112541b801273/fukutaboz.pdfIn PDF document text
  • https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/73918537697.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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