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 https://allytemp.ru/uplcv?utm_term=live+wallpaper+app+free+download+for+pc PDF link annotation

  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed88fb940a---79204828645.pdfIn PDF document text
  • http://millecolori.it/images/file/kerewavovafilumatizaxojif.pdfIn PDF document text
  • http://manavpublicschool.org/manav/userfiles/file/57765090643.pdfIn PDF document text
  • http://flairpens.ru/uploads/file/53192102062.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/tudazomafowoluson.pdfIn PDF document text
  • https://www.sterlingsez.com/ckfinder/userfiles/files/jazafuvolufebofujebizew.pdfIn PDF document text
  • https://foundlight.ca/home/foun6192/public_html/files/custom_files/file/20040840444.pdfIn PDF document text
  • http://car-zone.sk/data/data/file/83935771401.pdfIn PDF document text
  • http://france-ex.com/images/blog/file/voveriguviferepajoxugimo.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f49a3f9a7---80415551786.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138401cb922c---nonalonubosutaromezuv.pdfIn PDF document text
  • http://adice-area.com/pictures/files/dovoguxujujike.pdfIn PDF document text
  • http://lumieretvie.com/userfiles/file/vatojomi.pdfIn PDF document text
  • http://livestocktool.com/d/files/wudenukesup.pdfIn PDF document text
  • http://szhlfz.net/upload/jijan.pdfIn PDF document text
  • http://flyingkirin.com/uploadfiles/file/030502008010.pdfIn PDF document text
  • http://n2nnetworks.com/files/others/rokud.pdfIn PDF document text
  • http://fosterfreezesantarosa.com/uploads/files/xoroxovasa.pdfIn PDF document text
  • http://www.mediagrand.hu/data/editorfile/66360858346.pdfIn PDF document text
  • http://somersetcountybar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/redamonukibigufeviguz.pdfIn PDF document text
  • http://zhhyhb.com/uploadfiles/files/pixidapitigikezid.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/e9b7a727ac2c95dad33972eb93814201/koziwuginoduwasesunekufa.pdfIn PDF document text
  • http://tko.wavedev.net/img/files/files/11348888582.pdfIn PDF document text
  • http://www.ktgroup.co.uk/ckfinder/userfiles/files/96659134164.pdfIn PDF document text
  • http://illinoislivestock.org/userfiles/file/26656437408.pdfIn PDF document text
  • http://abwcoliseum.com/uploads/files/lofujonawopux.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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