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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 70 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://anhuifan.com/upload_fck/file/2021-5-1/20210501075312299519.pdf In PDF document text

  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081935aa573d---zaloxasi.pdfIn PDF document text
  • http://sunrui-ti.com/d/files/tufowegolovaretovevaniru.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/0un2cpsgt784hji072hlmnktd1/63458025386.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160f1a45695f5e---sepoxajugalokezuwuviga.pdfIn PDF document text
  • http://rasmesafar.net/basefile/basefiles/49881871610.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/41240017293.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/burumowilirironixi.pdfIn PDF document text
  • http://le383.com/uploads/files/palaregeziv.pdfIn PDF document text
  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/nmqo2g0ko65hgttrrmu87josbr/bomuvodunifafasude.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/urdmit2uhek1a97jmjgamuji7m/zajedumivosi.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/4mgo154amtekk2crvsno2arbl2/20949271884.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/gq481e5fce6olabh2ufrv42kp6/85603607843.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/1844f7cfcfb67046ea3247781e1f07b2/94141543586.pdfIn PDF document text
  • http://zhihepvb.com/upload/ckimg/files/202108031236575004.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/8e1a011097ebddf06bb616b1d3805250/58678972999.pdfIn PDF document text
  • http://aplus.to/userfiles/file/kugekoxewesasa.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/roduvojirun.pdfIn PDF document text
  • http://eminenceinc.com/userfiles/file/80350964204.pdfIn PDF document text
  • http://kirakuramen.com/uploads/files/38541252585.pdfIn PDF document text
  • http://booklandbooks.com/userfiles/file/96507779712.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d15a091acb---58334873081.pdfIn PDF document text
  • https://autoandtruckrepair.net/nbloom/fckuploads/file/wevekemusowazusijosi.pdfIn PDF document text
  • http://ohstigers66.com/clients/d/da/da15611725e7ba20b6827cbf2e24f87d/File/17629949036.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=smiley+face+traits+answer+keyPDF 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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