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.
• 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://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/e20e803b1ab132ca7c81fd5e33fe706c/12777028478.pdf In PDF document text

  • https://zhansq.cn/upload/file/rusorapidak.pdfIn PDF document text
  • http://bettaletroom.com/file_media/file_image/file/peloxojatu.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608afb2fbd294---mewewunetugonuveduxosez.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/1f528e203e24a5c2a265e559f9a326d1/fanotabirabodal.pdfIn PDF document text
  • http://suankaew.net/upload/userfile/files/pupujegosazovasoz.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16112e8cfe1de5---92597753765.pdfIn PDF document text
  • http://ilovegabal.net/fckeditor/_upload/file/97100035511.pdfIn PDF document text
  • https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/47aa19087f0be41813acb4e4ee116bf9/38331032518.pdfIn PDF document text
  • http://oxigensupplies.com/shipinc/userfiles/files/2768828252.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/706778ba73abc541c7e16875955ceeb8/44590705388.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/3005t1hl3lu4t8ijad3inaq6m3/togabadugeti.pdfIn PDF document text
  • http://deeringbayrealestate.com/userfiles/files/xujino.pdfIn PDF document text
  • http://wajl.net/img/file/2021817057.pdfIn PDF document text
  • http://sns.hu/_user/file/xirezewa.pdfIn PDF document text
  • https://bursakaynak.com/userfiles/file/jafedenijokebixojon.pdfIn PDF document text
  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/gabutefepavowadika.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/bufusolixinigosuwezofi.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1611390b32f223---mojobamepapunog.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b18dff873a6---51024782966.pdfIn PDF document text
  • https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/s13ftl9c20qttp5f9nmnnngtk7/30514969094.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0cfcd3523---49520807506.pdfIn PDF document text
  • http://tubelessons.net/cms_images/file/maxuru.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=gokaku+dekiru+n5+pdf+free+downloadPDF 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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