Malicious PDF — malware analysis report

Heuristics 9

• 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 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://steklo-shik.ru/userfiles/file/lotabavilakosi.pdf In PDF document text

  • http://waycreon.net/bhaskar/yii/upload/files/pepuv.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614e7771c057d---28075311851.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b01a8876b3---55122539315.pdfIn PDF document text
  • http://hwangtosidae.com/userData/ebizro_board/file/86094615244.pdfIn PDF document text
  • http://kastely-vacduka.hu/fileok/file/gorasagamusijedeba.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/42499172234.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/6hcot91ib2fl3q0ga2b5nbslh0/60444106374.pdfIn PDF document text
  • http://lasantitosrestaurant.com/userfiles/file/tewaj.pdfIn PDF document text
  • http://pujcovnanaradi-tvarozna.cz/userfiles/files/80097469967.pdfIn PDF document text
  • http://erpsamik.com/ckfinder/userfiles/files/56983867636.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/egqvdee54vplf2rbolg40e8j61/1120664521.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140535c8d3b9---pamoj.pdfIn PDF document text
  • http://asesoriazabalburu.org/azaba/files/file/23902298925.pdfIn PDF document text
  • http://accronline.com/userfiles/file/jiwexoduliz.pdfIn PDF document text
  • http://quangphong.vn/uploads/image/files/tasidafuputakawug.pdfIn PDF document text
  • http://futsalcb.cz/picture/vtextu/file/nidugeparofamodotujarike.pdfIn PDF document text
  • http://azizavacanze.com/userfiles/files/3417947218.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1615057df3121a---82258898260.pdfPDF link annotation
  • http://eptesteplelek.com/uploads/file/wawezerefikemafi.pdfIn PDF document text
  • http://stilna-ya.com/_userfiles/file/80330885890.pdfIn PDF document text
  • http://ingegneriarossi.it/userfiles/files/vesubedunovorogudiz.pdfIn PDF document text
  • https://khambenhxahoi115.com/images/files/jogavat.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+move+my+stuff+from+android+to+iphonePDF 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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