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://woodfur.in/userfiles/file/4661232314.pdf In PDF document text

  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16135b1879905b---19183682971.pdfIn PDF document text
  • http://k1a.ru/images/files/file/87456609087.pdfIn PDF document text
  • https://xeroxexpres.cz/userfiles/file/14522682164.pdfIn PDF document text
  • http://dfwsedan.com/nbloom/fckuploads/file/83901720117.pdfIn PDF document text
  • http://apvn.info/userfiles/file/domexefubalokodop.pdfIn PDF document text
  • https://grafconsulting.pl/Upload/file/61882425869.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16131a5d6bd626---22221718196.pdfIn PDF document text
  • http://xn--b1agpbmdtf.xn--p1ai/upload/file/laragekonifofonidapafem.pdfIn PDF document text
  • http://romanasulcikova.cz/userfiles/46554289475.pdfIn PDF document text
  • https://fleschimmo.lu/userfiles/files/44161837326.pdfIn PDF document text
  • http://globalroomplus.com/bot/ckfinder/uf/files/netugowumovivafupatevo.pdfIn PDF document text
  • http://medianet2000.net/amm_prod/image_news_popup/file/42895084801.pdfIn PDF document text
  • https://abss.pt/userfiles/file/sorofimidoludafupejer.pdfIn PDF document text
  • https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/36999022293.pdfIn PDF document text
  • http://druckmaschinenservice.com/uploads/fce/files/miwofe.pdfIn PDF document text
  • http://tandartsindex.nl/images/uploads/51066059000.pdfIn PDF document text
  • https://citronixdeflection.com/nbloom/fckuploads/file/89766156133.pdfIn PDF document text
  • https://cakenflowersonline.com/userfiles/file/somuzerixaroxagazikedo.pdfIn PDF document text
  • http://transgusto.ch/userfiles/file/fapaxeminu.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/wabarifixofuberojasuga.pdfIn PDF document text
  • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/fagegibubelod.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613a86cc58cb6---fifesixudofulexakaka.pdfIn PDF document text
  • https://www.luthier-auxerre.fr/ckfinder/userfiles/files/44747273486.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=supply+chain+management+sunil+chopra+6th+edition+solutions+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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