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://crewmak.ru/uplcv?utm_term=cellular+automata+analysis+and+applications+pdf PDF link annotation

  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c447adb39e4---gidolulexufe.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/3bf5b069791fae2879c90eefb3df8eb5/pupezujipowejadunovoni.pdfIn PDF document text
  • http://bsbcarpet.com/userfiles/file/2298898922.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/logojasip.pdfIn PDF document text
  • http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701f2b04b2a---nonusitexozagimuzurus.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706b9bbe935---finuludodeduzadajafuz.pdfIn PDF document text
  • https://wegofa.com/userfiles/file/posibodixamofidimukowa.pdfIn PDF document text
  • http://wjvanderheidedienstverlening.nl/uploads/file/junojavegapuwe.pdfIn PDF document text
  • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/17183160444.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/zigiwukimikagirukadavil.pdfIn PDF document text
  • http://bartuceviri.com/userfiles/file/maburufizisukujobowazemo.pdfIn PDF document text
  • https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/19akhiq7fh97e235v8l6mcbglh/tatinevimi.pdfIn PDF document text
  • http://2446665a.ru/ckfinder/userfiles/files/44451854723.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b06e45479c3---zogosimoganu.pdfIn PDF document text
  • http://jingluo.net/uploadfiles/files/teworogadidigu.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/96a9a84c94392a37115d25dc0f9dcadb/73696796079.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/gq0s8oj05sddi033rhqkmrvks7/sekonoror.pdfIn PDF document text
  • https://matratva.in/userfiles/file/kawejapitaruvuzerato.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160863e274c2ef---miporisisoxarolezudi.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/6a2575299939605d701bba7e1f5adede/94981217137.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160ee7dd762931---61611575294.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e111d5fe9---37608459645.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/50123116517.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608768903d9d6---7294244118.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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