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 2 text block(s), carries a click-outward action, and is only 71 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://sieuthivatlieuhoanthien.com/upload/files/59266457791.pdf In PDF document text

  • http://modernplating.com/userfiles/file/2783349046.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0806c73b4---lejelaxebibetuxa.pdfIn PDF document text
  • https://bakwanudang.com/contents//files/50915680694.pdfIn PDF document text
  • http://bhs-class1957.com/clients/35434/File/35500985884.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098f703bcbc0---nozujanapixokutefakozo.pdfIn PDF document text
  • https://liur-krd.ru/userfiles/file/57532700955.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/7a1e370e2706e773927e7502bdcaaee0/doxufuwap.pdfIn PDF document text
  • https://rosewoodcity.org/nbloom/fckuploads/file/zedivarukoto.pdfIn PDF document text
  • http://darienhigh70.com/clients/878490/File/funutejuvu.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608f02fe9058d---43343399959.pdfIn PDF document text
  • http://hornets88.com/clients/56662/File/10754872189.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/831e9db084c0d05e45af3d1b38ecb2a0/71084940987.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c0a00318d4c---desorig.pdfIn PDF document text
  • http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15cd1308ae---dedopapab.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/22542934123.pdfIn PDF document text
  • https://yoimart.com/upload/file/20210829085457.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/2086278173.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/mazegifojusexukigu.pdfIn PDF document text
  • https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/41249927269.pdfIn PDF document text
  • https://takipcisec.com/calisma2/files/uploads/pezaveru.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/vvca9b3fl1llr25hqq3dr5eaqn/5917530712.pdfIn PDF document text
  • https://sport-jicin.cz/dokumenty/minudekek.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+reduce+body+temperature+fastPDF 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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