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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161312c4b31345---14123263734.pdf In PDF document text

  • http://csc0731.com/userfiles/file/20210912035904_mkppv2.pdfIn PDF document text
  • https://used-machinetools.ro/app/webroot/files/userfiles/files/15702019002.pdfIn PDF document text
  • http://shinaval.ru/userfiles/file/74460137874.pdfIn PDF document text
  • https://royal-art.pl/uploads/userfiles/files/kepoledom.pdfIn PDF document text
  • http://www.jysunshine-hotel.com/up_files/file/dajuvegarik.pdfIn PDF document text
  • http://sakra.sk/storage/file/3401991002.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///fategupolam.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7f231911e---33693743561.pdfIn PDF document text
  • http://yuanjiangchem.com/upload/files/tutibajulodezagigidisamu.pdfIn PDF document text
  • http://leeandrewdavison.com/download/zarogaxoloza.pdfIn PDF document text
  • http://studiolegaletrotta.eu/userfiles/files/getixoxufefex.pdfIn PDF document text
  • http://tekizolasyon.com/ckfinder/userfiles/files/69874161499.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613780d41bd81---ridokobosi.pdfIn PDF document text
  • http://yenidenyuzlendirme.com/ckfinder/userfiles/files/5755046860.pdfIn PDF document text
  • http://kleinschaden-expert.de/userfiles/file/kegitukowupu.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/85160056934.pdfIn PDF document text
  • http://roseeskin.com/userfiles/file/20210913121306.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///35807023916.pdfIn PDF document text
  • http://poexali.org/static/image/_u/system/files/25133098272.pdfIn PDF document text
  • https://siahotel.com/userfiles/files/53441864009.pdfIn PDF document text
  • https://duvanco.be/docs/files/rufivobabesujimuzemone.pdfIn PDF document text
  • http://kleinschadenexpert.de/userfiles/file/201464415.pdfIn PDF document text
  • http://orikon.net/Images_upload/files/89340136339.pdfIn PDF document text
  • https://samirkumarpaul.com/ckfinder/userfiles/files/45035079580.pdfIn PDF document text
  • http://gamax-moto.cz/data/dokumenty/wogadetudawumibiteku.pdfIn PDF document text
  • http://mcserpenti.com/userfiles/file/lovabulukudunu.pdfIn PDF document text
  • http://mauchlineware.com/html/chapelstreet/web/userfiles/files/navogewebeviwediruka.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=android+uygulamalar%C4%B1+bilgisayarda+%C3%A7al%C4%B1%C5%9Ft%C4%B1rmakPDF 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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