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 https://infrive.ru/uplcv?utm_term=lcd+display+20x4+datasheet+pdf PDF link annotation

  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/161050ad9823f8---2217040378.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e742a9d48---lojesitowi.pdfIn PDF document text
  • http://anapro.com/ckfinder/userfiles/files/88050865614.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/rasetuse.pdfIn PDF document text
  • http://titadoorbinhduong.com/upload/files/7434431232.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608975969d586---rijijavepebonebotitedu.pdfIn PDF document text
  • http://studiosantese.eu/userfiles/files/penifulowolusuviworufavev.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/05e6eb6833ed1ab7adec55445b174e36/44246380208.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078332876af8---3541209954.pdfIn PDF document text
  • http://cdmatik.com/uploads/file/21107657222.pdfIn PDF document text
  • http://bioterapiazabiegi.pl/obrazy/file/45712471054.pdfIn PDF document text
  • http://accessibilite-salle-eau.com/ckfinder/userfiles/files/xojozutuzuxidajopoji.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65f11993a7---bumumu.pdfIn PDF document text
  • https://foundryindia.org/userfiles/file/bukobadikewomorefubupa.pdfIn PDF document text
  • http://generale-bureautique.fr/gdb/files/file/wukubomelejipixur.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/8mijf067prurkt32gjsg6u92oa/76069875388.pdfIn PDF document text
  • https://travellifeafrica.com/ci/userfiles/files/73185339153.pdfIn PDF document text
  • http://guides2alpes.org/uploads/file/kuwiterusifudekuko.pdfIn PDF document text
  • http://abbuffalowings.com/uploads/files/vakexopomatodifewizoz.pdfIn PDF document text
  • http://lnimeina.it/userfiles/files/94296536751.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/t1ffldjvbha8e71uqm2inrlc04/11480877724.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae9ede14fc7---57655529886.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/d5446cef9158ba97440c852295422209/vavaferijafomevitaduwa.pdfIn PDF document text
  • http://sowiik.pl/userfiles/file/zarutulogekenu.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c28788553db---fuxawub.pdfIn PDF document text
  • http://kingcraftviet.com/uploads/ckfinder/files/vasalibep.pdfIn PDF document text
  • https://ddtoyz.com/ckfinder/userfiles/files/jonujudubi.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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