Malicious PDF — malware analysis report

Heuristics 8

• 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 69 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.
• 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://cructi.ru/uplcv?utm_term=example+of+short+vowel+i PDF link annotation

  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/4e89145b3af463a995482a797cb2c76a/53074173195.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/a71a0m14hoo2sq06k5givlq5ja/juxepujiside.pdfIn PDF document text
  • https://ezgoe.com/10005001208290177/ckfinder/userfiles/files/15518813394.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/3217364ee5093f0f670e5da7fbbbc978/90657163440.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a12242d08---bafuzifiwero.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160f128db6b31c---mafivapepibesasizazerizov.pdfIn PDF document text
  • https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/88ecrlhviiujb44ijpq5vhjg17/fomegenoxesik.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607419fa105a9---55713088540.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/38837537823.pdfIn PDF document text
  • https://ctners.com/ckfinder/userfiles/files/51456872011.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/8826d14a50b133a653b7f9b55f7d83eb/zidajoxazafu.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/173336369260c936820ef29.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16089ffce5650e---wovudorimarama.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210628015156.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/8a7818f5d4966e389d0a815db4bfc154/donemukofiromejobiv.pdfIn PDF document text
  • http://mfcpavpos.ru/file/70420756994.pdfIn PDF document text
  • http://coinproject.com/userfiles/image/file/79769558642.pdfIn PDF document text
  • http://medicare-darmstadt.de/bilder/UserImages/file/20992322638.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/5378866689.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/fonezijovume.pdfIn PDF document text
  • http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/pomafasov.pdfIn PDF document text
  • http://abw10thstreetne.com/uploads/files/73355950726.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/296f1d2b9c4ff9ba39fc21a9a919589d/gowusifisewinixojumob.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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