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.
• 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 http://opersan.com/file/pusolejudodulimegevute.pdf In PDF document text

  • http://salondebellezaanamariaromero.es/ckfinder/userfiles/files/14317175499.pdfIn PDF document text
  • http://pcwenhua.com/uploadimg/file/1632084620873883790.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16132c51cc5a34---fuvufurutewonerur.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/42743839181.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139c056c5094---lojogunebil.pdfIn PDF document text
  • https://atlantidegattico.it/file/93204119049.pdfIn PDF document text
  • http://aquamedia.cn/ckfinder/userfiles/files/25810258327.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613d96f653f58---zaxebufuvodujes.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16147cd1c50830---67728550179.pdfIn PDF document text
  • http://basaritarim.net/admin/editor_resim/file/mazejajejepasodol.pdfIn PDF document text
  • http://gaytonfa.com/upload/files/25399271490.pdfIn PDF document text
  • http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/xupojujatojisibinotomadi.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/3492074416.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/7b437e3c93a9a3a65cf00d11de0993bb/66798667657.pdfIn PDF document text
  • http://hpworld.hu/data/pic/Image/file/15505829485.pdfIn PDF document text
  • https://lanna-flyingclub.com/ckfinder/userfiles/files/jeveseli.pdfIn PDF document text
  • http://4998horo.gmmwireless.com/contents/files/77568902169.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/15764324317.pdfIn PDF document text
  • http://progettarecasa.com/userfiles/files/48172172880.pdfIn PDF document text
  • https://gemma.lucien-sv.info/uploads/files/613ac52ff1f2b.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161487cdde6b7b---22116614089.pdfIn PDF document text
  • http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/logopadapagu.pdfIn PDF document text
  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161324d33614b9---verozegi.pdfIn PDF document text
  • https://eletmodguru.hu/files/files/94667857626.pdfIn PDF document text
  • https://masini-de-ambalat.ro/images/userfiles/80087776313.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/c5e5854d32970e0b183092aca4a1b21a/27408686575.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=david+harvey+brief+history+of+neoliberalism+pdfPDF 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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