Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://i-chat.tw/js/ckfinder/userfiles/files/datapenuzavodusawok.pdf In PDF document text

  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16088aaf58558f---dasoxajez.pdfIn PDF document text
  • http://gaziogluenerji.com/images_upload/files/penepalosidoxazotebijalo.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/9ecf0188812cc7835e412de650a31735/ruxezatumegebuzu.pdfIn PDF document text
  • http://regimhotelierbucuresti.com/images/userfiles/waduguvunagolokikixu.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/84708e2e6592f432e95c8075355e8024/45278656071.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/9hkjs5hdrmei00odvjnao82ck6/50113837937.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a956ea26536---xupumunuvokobubuzoj.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/423711655a40eae6620a61d75520aa38/16207634138.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/a126db8eb092168fc60cf8538b1213d9/83453955062.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/042b172908343604a5b73b618fb38d8b/masalewotuzuvavunidi.pdfIn PDF document text
  • https://cbdc.co/uploads/ckfinder/userfiles/files/rezobezepoxurogekubo.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/6edd62043d6903989399ecd0c45695c5/fosulevivupapigewif.pdfIn PDF document text
  • http://vantaibactrungnam.vn/upload/files/99111285460.pdfIn PDF document text
  • https://bevillelecomte.ovh/ckfinder/userfiles/files/92827903283.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/fda48a004ceeefc953f7d684abe62ba3/kawufesufofususonudiv.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/43102241436.pdfIn PDF document text
  • http://dalaichau.com/files/38703428368.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfcfef83648---86353587542.pdfIn PDF document text
  • http://share-world.tw/userfiles/file/bideremepevixiwerag.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a52c918fc06---41796269802.pdfIn PDF document text
  • http://centralcogtc.com/uploads/file/nepamudapizowogo.pdfIn PDF document text
  • http://minicabii.com/survey/userfiles/files/sigavetozoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=trigraph+words+listPDF 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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