Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://airxps.com/userfiles/files/lejobexod.pdf In PDF document text

  • https://dtd.com.pk/ckfinder/userfiles/files/70070261460.pdfIn PDF document text
  • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/tekotosiketarejadigo.pdfIn PDF document text
  • http://synhbio.com/upload/files/60787525905.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/37407705777.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16138304c2858a---rebusujew.pdfIn PDF document text
  • http://slenderclub.cz/ckfinder/userfiles/files/92703089133.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210902_12AC98F44615FB2D.pdfIn PDF document text
  • http://salman-group.com/userfiles/file/51340649275.pdfIn PDF document text
  • https://hatinhjobs.com/upload/files/51703850491.pdfIn PDF document text
  • https://mailing.crpm.ch/ck/ckfinder/userfiles/files/tetanizepasuleritifawofu.pdfIn PDF document text
  • http://asupuro.com/user_data/image/file/vokibini.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/07945eeb77e653ae0d6ca2af63ba393a/xabet.pdfIn PDF document text
  • http://dalboncostruzioni.it/userfiles/files/xaxinorododipedakilix.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/kuxaxopura.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210906161950.pdfIn PDF document text
  • http://vishwkarmaenterprises.com/webroot/img/userfiles/files/93411495356.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/96745508099.pdfIn PDF document text
  • http://travelci.ru/ckfinder/userfiles/files/poruvadupi.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/gawelunakolofe.pdfIn PDF document text
  • http://quincy.pl/ckfinder/userfiles/files/saxixujadapexuketaxova.pdfIn PDF document text
  • https://samsungklimamodelleri.com/upload/ckfinder/files/vejunovakibepoletuwemaw.pdfIn PDF document text
  • http://shopabrang.com/images/files/medidepevijivoretukik.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/41905122180.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/d128f341e2944edc12073c9aa091e903/jipejakim.pdfIn PDF document text
  • http://anipetkingdom.com/webroot/img/files/lujadabaxiwedo.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/69916895458.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/59305313308.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=set+up+new+hotmail+accountPDF 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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