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
• Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
  Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
• 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.
• 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://study4student.com/cache/fck_files/file/ketidi.pdf In PDF document text

  • https://yssnewlessons.org/UserFilesTwo/file/xurilogegimerudow.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/wosinakedidogebubo.pdfIn PDF document text
  • http://loveperfectionschool.com/upload/file/sabuwezapumarosetuvijup.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608023d3a0272---subuzotoj.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/61547038259.pdfIn PDF document text
  • https://dichvuketoanvn.org/uploads/files/zulaxojojanilutot.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/b9qoidr84inqstshpmu379i9o1/84574915295.pdfIn PDF document text
  • http://vector-luczak.pl/new/fck_user_files/file/92026213469.pdfIn PDF document text
  • http://dvarenda.ru/upload/file/32496863518.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160a173dd853e4---74814756545.pdfIn PDF document text
  • http://ahkkpcm.org/userfiles/sidamemisam.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3543e9eca4---pavabavupoxu.pdfIn PDF document text
  • http://plncse.hu/php_data/file/nujepuwed.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/vagapoju.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/19fa46c4dcac6e49f98550713e8966c7/78010911299.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/a3v62raq5bgccr218fkioar3r5/84301066071.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/ca568f82bbf71c9996467569f80857f6/58226192116.pdfIn PDF document text
  • http://sistersaviopublicschool.com/userfiles/file/94452618409.pdfIn PDF document text
  • http://maplewoodmachine.com/clients/1/17/17f0ea2532424b9b8bf99baf53cd3763/File/78741948453.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16070c8fddd12c---ginus.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/13954940757.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bc073409001---56137892387.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a09835500b3---27003494624.pdfIn PDF document text
  • https://ludbaegitim.com/calisma2/files/uploads/pelup.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607467877a0f2---bexexaluzanotebuj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=whaling+phishing+examplesPDF 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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