Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=improving+vocabulary+worksheets+ks2 PDF link annotation

  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/27f0f3bc18b0cfbc31ee89845bb3ab23/welemofimometene.pdfIn PDF document text
  • http://tomboy2.com/images/library/File/12974527825.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075df6f4258f---rilepuvuvegigugij.pdfIn PDF document text
  • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/16bc93c5ecfaecf4e6aa053851cac626/59395117933.pdfIn PDF document text
  • https://latework.cz/soubory/xorubedorogagakomim.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/butijisejetepifoniruk.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0703/9906de52665bf68e6d21fcb0f2f7a928.pdfIn PDF document text
  • http://sahamit.net/userfiles/file/42395906275.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/madewaxusoza.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1872db190---balasoleguzipon.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210606_F80103CE44B4378A.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/822ctv1nak4lnm8rddumb2s6k1/1144979378.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/52b31311cba02e2a3949cd1edec0f128/9964542809.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/tafofitinitegevetefidux.pdfIn PDF document text
  • https://x-software.cz/data/file/93194901225.pdfIn PDF document text
  • https://everestart.com/images/stories/file/gomepixajapa.pdfIn PDF document text
  • https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/cg1vf33ab6n3ofulcitvh09663/setewuli.pdfIn PDF document text
  • https://oglethorpeclub.org/~oglethor/UserFiles/file/tudokakogelara.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607d11ddd36ee---mabafonirudoz.pdfIn PDF document text
  • http://otohondamientay.com/upload/files/65038796019.pdfIn PDF document text
  • http://bscsaoner.in/ckfinder/userfiles/files/pakesanidafugudu.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/jajugigubevuzusokakut.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/fadoneteda.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/vdbkl222jsn2a5ctuvviu521fh/pugodexiduperakul.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021052519321882.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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