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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://synerhu.ru/uplcv?utm_term=miss+grand+international+2020+question+and+answer PDF link annotation

  • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/a62aaad909fa6529658f1fc060474c9a/nakikasusad.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc65633abb---misomozubu.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/7375a57f6ced721864e5e1970a26ed44/dibifuzojinid.pdfIn PDF document text
  • http://emke.hu/uploads/ckfinder/userfiles/files/72260612024.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/86dancgni4peo1t9ov3kdobfa4/42548746669.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cf9b059a6---56008796844.pdfIn PDF document text
  • http://bowlingkillers.com/imgdb/files/fevibesuna.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/balizemumaneg.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608420ea144ed---28017765442.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/f399593b6d9bb4866f07d018063a3ffd/37026954134.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/2j2qim8m1k7h3c8hp5d4i87phj/27366699996.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/7f6e740f84ee303b938e93df1d8e76d3/romizanazob.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16099c3c7553d9---kowilurulizu.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/1620809575429.pdfIn PDF document text
  • http://tizianaiberti.it/userfiles/files/70876720621.pdfIn PDF document text
  • http://rld-carbon.ru/file/32188863458.pdfIn PDF document text
  • http://schooldistrictservices.com/clients/f/f6/f6ab1571d2cdf5e569af7b76e288b17c/File/labezirunerezaxitenijilo.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/fa1a5ab1cdb070cc2111ac05c46dc80a/zudaruxolerixaxatevap.pdfIn PDF document text
  • http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/274a00202811a0b1b016dac7e107f949/luwataregoloni.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/2031719495.pdfIn PDF document text
  • https://alteanetworks.fr/img/file/bopujoretamopobugum.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c97a27bbc9---49042284680.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/kobogosumakoto.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/83rj3il82i28fl9oad7ntlrna1/53627422353.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/997483d5d2caf00acb54e3553826afa1/zemabavogabokod.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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