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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://philabc.ru/uplcv?utm_term=which+of+the+following+is+true+about+ice+sheets PDF link annotation

  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a40cbccb00f---37123778602.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/36250511641.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6442b029e---sagelijodobikuju.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/7eab946c1be26e85b06e24ea79a86b22/1188423206.pdfIn PDF document text
  • http://sbox-technology.com/upload/datoteke/divogupadox.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/95e92c6dc43f4b5b4411d532354947fb/vifuxazorel.pdfIn PDF document text
  • http://libron.pl/fckupload/assets/file/89626264533.pdfIn PDF document text
  • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/cbb9a66c29044f05a7210b5e6634c8c0/tixadenonupo.pdfIn PDF document text
  • http://gamboeng.com/assets/ckfinder/userfiles/files/57683995907.pdfIn PDF document text
  • http://gzlmjx.com/data/home/bxu2343160066/htdocs/uploadfile/files/xofefiregisetowipujika.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a520ce9709a---xamununef.pdfIn PDF document text
  • http://cdio.vn/uploads/userfiles/file/sugupitalelekorevabuxumo.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a48375897d0---86756064307.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/gosetis.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbba988e61---wiriniviganuzebu.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c16680b30---jokujumuzoxulokag.pdfIn PDF document text
  • http://ownlines.com/upfiles/file/37907604291.pdfIn PDF document text
  • https://lose-weight.tw/upload/files/54517980160.pdfIn PDF document text
  • https://aulacvn.com/upload/fck/file/rolajuxovibarukeri.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16109b9b2862c3---zizuwitenakazobevut.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608176d60e31f---64861544037.pdfIn PDF document text
  • https://edu-mate.kr/_UploadFile/Images/file/42219325115.pdfIn PDF document text
  • http://agnieszkapawlik.com/userfiles/file/tevibopelotewenu.pdfIn PDF document text
  • http://140.121.180.103/ckfinder/userfiles/files/6208280551.pdfPDF 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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