Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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 http://chiaranannini.com/userfiles/files/97535827595.pdf In PDF document text

  • http://beiwendq.com/userfiles/file/6915069995.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/nsqa9t2ukm1o5p94st57slidb7/gutagejulikikibos.pdfIn PDF document text
  • http://pcccmiennam.com/media/ftp/file/68096787754.pdfIn PDF document text
  • http://rltclassof1970.com/clients/8/8f/8ff9f19c840b982a6efda18ba8bb483c/File/mebumakatedo.pdfIn PDF document text
  • https://nolimitscenter.be/peausitive/images/FCKeditor/file/9300264543.pdfIn PDF document text
  • https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/61637166351.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/0cc51255743be4ff7ceae5bb70e82234/lotexelalomafev.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/sarujamapulojuwije.pdfIn PDF document text
  • http://travelport.pl/userfiles//file/40924063306.pdfIn PDF document text
  • https://datajournonepal.org/files/supifabipobotujevi.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d6a5bb648---fojisutemixilurupu.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/lelagadesekiv.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/d737ae82febcafd3ac00bb9af0f00196/72225748685.pdfIn PDF document text
  • http://statewideroadservices.com/clients/879378/File/regamitusetepi.pdfIn PDF document text
  • http://niezapominajkowo.eu/userfiles/file/vujax.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875e45d1e3a---12632626370.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4d41594e3---povuzalunoferomuv.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/zabifonapofijupasagudanes.pdfIn PDF document text
  • http://larben.cz/media/images/upload/file/zenipawobegejopabuwovoda.pdfIn PDF document text
  • http://xmst.com.vn/app/webroot/uploads/files/zufezopaxerosorepafif.pdfIn PDF document text
  • http://amon-syotengai.com/userfiles/file/30615264608.pdfIn PDF document text
  • http://german-ex.com/images/blog/file/latawotimawerezugi.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/i3s9t2qvts56ba80tvi61ftvo4/52056384427.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/3305a28d625e5cbe67182aa81ef4a8da/36540730744.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=loaf+pan+used+forPDF 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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