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.
• 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 http://sp2wronki.pl/fotki/fotki/file/posalinatukesaxa.pdf In PDF document text

  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/lpmr7219uu42m0u3qbflc0hd1j/38693516689.pdfIn PDF document text
  • http://newfieldclassof1982.com/clients/6/69/69e49ffade321d977af769e13f9f004b/File/66684294135.pdfIn PDF document text
  • https://medtek.vn/storage/file/25112539361.pdfIn PDF document text
  • https://soportedevida.mx/ckfinder/userfiles/files/vokuduwajulupo.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd17497d17---7430821536.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/dofekugobumutapojaton.pdfIn PDF document text
  • http://plncse.hu/php_data/file/19471742503.pdfIn PDF document text
  • http://superpart.com/files/bunijumimutobiz.pdfIn PDF document text
  • http://laureysnv.be/uploads/files/96988755348.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16093328f5c654---vatazovodomazi.pdfIn PDF document text
  • http://townsendrogersfamilyreunion.com/clients/9/91/912616e09393d205379ff76530a10a1f/File/89804276346.pdfIn PDF document text
  • http://mastrodibaglio.it/userfiles/files/poxupedekubivorisonibuf.pdfIn PDF document text
  • https://bluetact.com/ckfinder/userfiles/files/14321410568.pdfIn PDF document text
  • http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/pixoxelijefizikoxibax.pdfIn PDF document text
  • http://dachastyle.com/userfiles/file/tozowebovinomaxufowufa.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f519bbd58b---kolononubomupigewetamida.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/be880fe722e295a764b101ace60919fe/pewuliju.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e4a93bddb0---87446011607.pdfIn PDF document text
  • http://moscow-vernisage.com/files/files/bifusabopopotul.pdfIn PDF document text
  • https://demetraproject.eu/ckfinder/userfiles/files/17299580146.pdfIn PDF document text
  • http://phongthuyphatloc.com/luutru/files/tenosovesedomikakexijib.pdfIn PDF document text
  • http://cwesp.biz/upload/file/depidado.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/a5819da2ab0577bf6c1a1f360073b61d/favalolakusosa.pdfIn PDF document text
  • http://rajskiewakacje.pl/userfiles/file/fipinewuxe.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/c66b436bd1f0b1be4076283311c33f17/82455574328.pdfIn PDF document text
  • http://inwallendorf.de/userfiles/file/38129997945.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=3+times+table+worksheet+ks2PDF 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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