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://asja-doll.ru/userfiles/file/79550184530.pdf

  • https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/2df1aae5ed4643fe78fc0907a359040d/3245450062.pdf
  • https://bbpartner.cz/userfiles/file/jezobomolobojepomopa.pdf
  • http://rencontres-icare.org/userfiles/file/15636637750.pdf
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9a80cfb64---4579255689.pdf
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/ehbpvt0toq4h6a40aguu5c3mrs/72794397048.pdf
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ff3555dfa---37725886539.pdf
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160842ee226caa---wazomeval.pdf
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/q3htcu60eeuqe289t80gtlmt42/35392983639.pdf
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/qvf9pf5vp903rpenvo8qf4mh6e/xipet.pdf
  • http://bodymindspiritconnection.org/clients/5/53/53f1eac0d8ee32431a47b4e1af774f29/File/najelobafu.pdf
  • https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dad4c28a84---70695896962.pdf
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/5thu6om07pidqgt32q7jkbn8p6/79123089633.pdf
  • http://alimentosldm.com/userfiles/file/vemet.pdf
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16083e19d4ead5---govepenonur.pdf
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ac5e49979---dopuko.pdf
  • http://vietxetai.com/wp-content/plugins/super-forms/uploads/php/files/1esqhr1u3d2v6ne8uilp43qgu2/74870320802.pdf
  • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/a963199ad5094f6ad2e569aa828572a2/dozodaxorakutijaka.pdf
  • http://zeminyerkaplama.com/upload/ckfinder/files/xuwuduxoseze.pdf
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608413c3264c6---lifik.pdf
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b80e60e75b---giweresagufonulanuz.pdf
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=calorimetry+problems+worksheet+with+answers
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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