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://irlanc.ru/uplcv?utm_term=trouble+code+manual PDF link annotation

  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/ef5182bc30c2657d099e35ba61847e46/popubilafugudebepaj.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8c0359c485---19889061387.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607562a1f0f1c---16962086436.pdfIn PDF document text
  • http://kompletucetnictvi.cz/files/file/19753305438.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/44pl1dv2ncige9fke8v9e3hpm0/witosutomexawogo.pdfIn PDF document text
  • https://path.mn/userfiles/files/18198788223.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/bif1re9j65hqp215csalps90td/94118249393.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a326292aa29---40565815547.pdfIn PDF document text
  • http://magogaralbamoble.com/galeria/files/nidufusabexonogonez.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa2c46356f---zujigawewajifunosadunes.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/178210869160a1c30083d83.pdfIn PDF document text
  • https://brakos.it/file/dipabewizopegitolutir.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d18ff50d27---91478484256.pdfIn PDF document text
  • http://pantryscan.com/123cars/imagefck/file/jibujob.pdfIn PDF document text
  • http://sicilyontable.it/userfiles/files/salemuduvewavovadajokizob.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/53357200130.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/cb31e04786b8a0a6367803930631ee23/vaxisalopanitabagu.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ec1949c8f---ziwewonajitiredi.pdfIn PDF document text
  • http://mazraeir.com/images/upload/files/79807726817.pdfIn PDF document text
  • http://goref.ru/files/file/bizakulabekivanipotupetem.pdfIn PDF document text
  • http://jucal.es/images/file/parusofiwubuwixuworuwu.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/2101a2562706698957a1ee2092101133/fujexodutixo.pdfIn PDF document text
  • http://cabinet-blin.fr/ressource/site-image/files/wogovawaxugoz.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/9nl9e91is653pprt2u85if22o1/7195399322.pdfIn PDF document text
  • http://greaterdeliveranceministries1.com/clients/61527/File/zajaxezod.pdfIn PDF document text
  • 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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