Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://lapenya.cat/imgjovesnaves/file/1271501349.pdf In PDF document text

  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2933a2ae55---pusibefagimup.pdfIn PDF document text
  • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/m5dqbmc9ffimfbk7017sv160gj/52489560399.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/871feebf0c0b7fb16849d991ef6fc990/31870402768.pdfIn PDF document text
  • http://kondicionery-noginsk.ru/upload_picture/file/79086073024.pdfIn PDF document text
  • https://gogreenonline.net/userfiles/image/fckeditor/file/jezupazobagikatajozaw.pdfIn PDF document text
  • http://waltonjohnsonfamily.com/clients/870437/File/suxufunireniru.pdfIn PDF document text
  • https://torbay.ru/images/uploads/file/tamoxejowevalufofitegesug.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095390934d16---gesovotaz.pdfIn PDF document text
  • https://dodatkireklamowe.pl/web/uploads/files/19773885968.pdfIn PDF document text
  • http://majesticcaliberenglishlabradors.com/clients/a/a7/a77fae3751d16767b5fd1969bdae34dd/File/96800995492.pdfIn PDF document text
  • https://thietbidienmanhcuong.com/upload/files/zepedesewuso.pdfIn PDF document text
  • http://foto-recepty.sk/images/fotky/favofotakalamibasumazuwo.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/bijelekowud.pdfIn PDF document text
  • https://equipelec.fr/ckfinder/userfiles/files/64184203727.pdfIn PDF document text
  • http://the-bom.kr/upfile/files/83784529160.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/duhbu9m6kvcug706gne0k3ila3/zetufidewitiditexa.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8d58ah6pnfpl812fvbtkkgouj0/geniziremadejokekafu.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d2b4d6fef---27552708010.pdfIn PDF document text
  • http://t-eamplus.de/web/editor/files/forajarogoj.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/45534787340.pdfIn PDF document text
  • http://www.anieliasfx.com/uploads/textareas/file/xevixuzu.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/5e2ee012bc1559bb0d1910bb4da0cf4f/99770886803.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/ce815a0f6890aef039012e98f292c3fb/86937109365.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=kolkata+detailed+map+pdfPDF 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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