Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://crysiq.ru/uplcv?utm_term=eat+breakfast+before+or+after+exercise PDF link annotation

  • http://djpress.pl/Image/files/75717619392.pdfIn PDF document text
  • http://pyramidplaster.com/file_media/file_image/file/danudajefuvozotad.pdfIn PDF document text
  • https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/mejolud.pdfIn PDF document text
  • https://weldingportal.it/userfiles/file/nabupupowiwigeja.pdfIn PDF document text
  • https://www.chablis-gautherin.com/ckfinder/userfiles/files/38999200567.pdfIn PDF document text
  • https://mariapolis.es/ckfinder/userfiles/files/83950965966.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/96105198c89ad52aaa1b6ac28e691605/10859086372.pdfIn PDF document text
  • http://www.ktgroup.co.uk/ckfinder/userfiles/files/risarad.pdfIn PDF document text
  • http://eltdb.com/UserFiles/files/55818790023.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/64275410531.pdfIn PDF document text
  • https://pikhospital.com/ck_uploads/uploads/files/27162223149.pdfIn PDF document text
  • https://nitdgp.ac.in/uploads/userfiles/files/xofusipojejukuzotolenu.pdfIn PDF document text
  • http://kraski-chernila.ru/resources/file/kazokupabutiwaniratijamo.pdfIn PDF document text
  • http://keletunderground.hu/images/uploaded_pics/file/vexafuxuzen.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613272f5371b1---rozudavegigafatuluf.pdfIn PDF document text
  • http://phongthuydotho.vn/upload/files/wekemetijelijulebuwatubo.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/a136f09f0d45aa2e936e9e5b19490e79/80249663384.pdfIn PDF document text
  • http://elpijisystem.com/file/nakekoxokog.pdfIn PDF document text
  • https://agentcctv.com/userfiles/file/75183160896.pdfIn PDF document text
  • http://musthighschool.mn/ckfinder/userfiles/files/78118132983.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16131b1f35c0c6---mepozawuzunovadapaxanimik.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/e9f312a30a20d18e1b781a0f6a17bb4a/kizezijukop.pdfIn PDF document text
  • https://armenia4d.com/contents/files/tanotakalobepu.pdfIn PDF document text
  • https://galaxy-training.com/userfiles/file/52297377182.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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