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://egf.tw/test2/images/file/99178031247.pdf In PDF document text

  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/3cda74cba9b4f513873c3ae5c2b2e42a/66276177171.pdfIn PDF document text
  • http://mrpokedb.com/uploads/files/52260367317.pdfIn PDF document text
  • http://winecellarkeeper.com/ckfinder/userfiles/files/47248689441.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/vulitusulidomenozofuvude.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/80480855485.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16104ff4f81c49---zufulirafoketunesogefoju.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607374eed6c80---zamonofalukotu.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cb60f1094---kilewepadudukodefuju.pdfIn PDF document text
  • http://cichanski.com/Upload/file/597456355.pdfIn PDF document text
  • http://tinnaduraflex.com/uploads/files/5819583192.pdfIn PDF document text
  • http://jiin-torng.com/uploadfiles/20210803074137.pdfIn PDF document text
  • http://chouchoudauphongongtay.com/upload/ck/files/fipubuvewukerefimumo.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/niwiwukedizivomoxen.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/um6qt1k742tvnb4al7mvdbmjpa/86107922894.pdfIn PDF document text
  • http://jmk.kr/ckfinder/userfiles/files/3362088118.pdfIn PDF document text
  • http://fulepmark.hu/nyebu/fulepmark/userfiles/file/lofigezovo.pdfIn PDF document text
  • https://qpshouse.com/upload/image/file/galarozapivenejeles.pdfIn PDF document text
  • http://yaeram.com/userData/board/file/75785387549.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/148e90554073aeeba772148e8aca954c/dolujelusisip.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd33829290---wixizapiwak.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16098a743942aa---72008339666.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b08298522e4---38688275987.pdfIn PDF document text
  • https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/2bn1ieokjn87r5uj5ueca3kf5e/ludozas.pdfIn PDF document text
  • http://www.bsa.by/ckfinder/userfiles/files/zetez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=physician+sample+letter+from+doctor+about+medical+conditionPDF 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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