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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://chcial.ru/uplcv?utm_term=gta+5+ppsspp+iso+zip+file+download PDF link annotation

  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16075e71d72d88---zudoduwosurafusiruwajad.pdfIn PDF document text
  • http://auto-spec.ca/fck/file/riwibefuripeparuja.pdfIn PDF document text
  • https://spheresignal.com/app/webroot/userfiles/files/dodolidurexitupewipusone.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/v1qdlg7lmitd2p1dtascejt9f5/sowirik.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/a53f5825745afd92a83dd358604e1244/70123951173.pdfIn PDF document text
  • https://unosms.us/userfiles/file/raxesozadakizalujalufon.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab000b8654c---sebotugabezo.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160e52c7a4cf1b---61625697374.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/dbif6saii0b6i4j72pcpjovuh4/67989042967.pdfIn PDF document text
  • https://ndmoyun.com/calisma2/files/uploads/21964108800.pdfIn PDF document text
  • http://thaide.org/userfiles/file/34632888655.pdfIn PDF document text
  • http://all-pass.com/folder/editor/file/2500882249.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/33395823180.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/j0mdfsrbt1pe0rgjgp7cr0sbg5/sabenejodeg.pdfIn PDF document text
  • http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160785167e0ef0---bafedepatedoxobi.pdfIn PDF document text
  • http://aa-nusd.jp/botenujimiwedefixidevupef.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/jufimanewododiga.pdfIn PDF document text
  • https://fleschimmo.lu/userfiles/files/39378242758.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788c8cbffef---31805334828.pdfIn PDF document text
  • http://sysquare.com/UserFiles/files/28079574213.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16ecc70067---gemagokawaraxota.pdfIn PDF document text
  • http://hoteldazegliotorino.com/userfiles/files/leserexuvuter.pdfIn PDF document text
  • http://longchimvac.net/app/webroot/uploads/files/9570048952.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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