Malicious PDF — malware analysis report

Heuristics 5

• 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://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/bbgasoe30li1srhatf4j9s7c61/84856750714.pdf In PDF document text

  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/df5b2f68cb5e8b12af6ef46f190e5297/94159074506.pdfIn PDF document text
  • http://namkhoabacninh.com/images/files/gefoginekabixuripozus.pdfIn PDF document text
  • http://congtyvima.com/images/Download/66850844910.pdfIn PDF document text
  • https://widepolymers.com/userfiles/file/naguvuxoz.pdfIn PDF document text
  • https://yukkumpulgroup2.com/contents//files/76790834918.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/58966618892.pdfIn PDF document text
  • https://mbbs.hr/files/tisiva.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab8bf1f1d8---74948031881.pdfIn PDF document text
  • http://sansboundaries.com/clients/f/fd/fde0d4b6b324343791c5f0705b221951/File/81020465100.pdfIn PDF document text
  • http://gaziogluenerji.com/images_upload/files/jegepagowew.pdfIn PDF document text
  • http://ingpoggi.eu/userfiles/files/fakuzewemuwizumaxejire.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160945ada3c4d7---dutodonifasa.pdfIn PDF document text
  • http://ippon.lv/uploads/File/jivijusuxitusuguzuxurol.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/23814014714.pdfIn PDF document text
  • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608901cff11e6---retonebonise.pdfIn PDF document text
  • https://tectrongim.com/uploads/files/65080544339.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16097cc426999f---zuwesinexusazoku.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/83602926140.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6d23e2e334---vopodalaxaxe.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/411hlf07p5nh7n80is6b8tn2kp/40232464342.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/03a241fb663fdb7f048fb9fe81f5989b/kujipowojowa.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c4a7329a1---20151255033.pdfIn PDF document text
  • https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/1chqju507sp7hfpjrc3cuh9hnb/loxesidajafumodezag.pdfIn PDF document text
  • http://farmaciacogliate.it/userfiles/files/salosinafig.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/503eca4af9120174c6a880e03afb2b53/79854484920.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=california+escheated+property+searchPDF 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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