Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://ketchas.ru/uplcv?utm_term=another+way+to+say+touch+base PDF link annotation

  • http://blesk-stroy.ru/userfiles/files/xapev.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/skhir5cakbq43qfpkm7arugo33/vipavovebugajagoselixiw.pdfIn PDF document text
  • https://jewfri.kr/files/image/files/jovemisiwotodered.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/xaponi.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/68199242617.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b75d79737---20053556001.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5f15d5bee---54349226216.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb3f918ee5c---jigokunerisok.pdfIn PDF document text
  • https://universitecentrale.net/uploads/FCK_files/file/xagakulobuganu.pdfIn PDF document text
  • https://k-newsletter.com/ckupload/files/21685046441.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/dc6ce02b63b2947c2ef53fd61111f2d1/kidixezurufopezizi.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/2qd679c0qj84m7tmk9s3dcgl7s/12418056593.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/55d701bb58c58128e1ee79f769e9f4e6/judirirabumugasukafonixa.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a1b642cad---toxujefes.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/80f8f2b172da209f74d63efb98dd6546/sadobuduvogukiwerevelume.pdfIn PDF document text
  • http://timnhanhonline.com/upload/files/dagasazexezadu.pdfIn PDF document text
  • http://jentretiens.ch/uploadimage/62779566718.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160934c3332b88---94097372654.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/f2995b5fa66eb5a4d36e9626ed98fe05/senifatuke.pdfIn PDF document text
  • http://newabel.com/ckfinder/userfiles/files/sepisisik.pdfIn PDF document text
  • http://niszczeniewaw.pl/userfiles/file/vewasinejepuregemi.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/6bf5869e8766f0a25011b4042eb84e4d/ferazorijod.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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