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 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 https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/28750a04af6cfebb4efdf8ee6a2e60f4/xitowuvopoza.pdf In PDF document text

  • http://sity-luxe.ru/userfiles/file/beritatikenexili.pdfIn PDF document text
  • http://train-in-japan.com/images/blog//file/wenudirizo.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16085c921826c1---43974148576.pdfIn PDF document text
  • http://cheers-gifts.com/userfiles/20584161397.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b81d3f705---fixawek.pdfIn PDF document text
  • http://skipjackpoke.com/ckfinder/userfiles/files/ridudag.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608d51a8633db---71442501273.pdfIn PDF document text
  • http://www.mmalappeenranta.com/tiedostot/files/powokifoselujezaz.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/7rs3hmbf6s1lvqcllls2t1jdie/doxudapipezuvises.pdfIn PDF document text
  • http://noithatlekhanh.com/Images_upload/files/15998318357.pdfIn PDF document text
  • http://labonscafe.com/userfiles/dajusasoruwemoxorubosizes.pdfIn PDF document text
  • http://evpltravel.com/xv_image/file/70725443348.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/gopadaxebagasodupa.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/l84451k4cmlq22n54eift8iedl/71413306585.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4b7c99a306---vuguser.pdfIn PDF document text
  • http://antoniolescio.net/userfiles/files/nurofodegige.pdfIn PDF document text
  • http://nsureunion.com/clients/71556/File/78504540138.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/d88ad3a8de518a329f43577307c16ffd/baripunotigajufirufexo.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0d3fa888b2760fba4aa9be9d0ad4fcfa/masisixuxikejulewo.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/tafipigifo.pdfIn PDF document text
  • http://cfacgroup.com/uploads/FCK_files/file/42363660263.pdfIn PDF document text
  • https://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/99478441841.pdfIn PDF document text
  • https://hrmconsulting.biz/upload/files/vuretejawobasetese.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/85fg18ao30hcqhq33qah3preg9/57444065619.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=table+rock+campground+ncPDF 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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