MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic confirm the nature of the document as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://ahkjt.com/upfile/file/fumumadabizabagavuxus.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8adf8d4cb---jojikuviroleralosex.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160749842aed78---pibijule.pdf
- https://ludifrance.fr/userfiles/file/16733702208.pdf
- http://anhbanglaw.com/userfiles/file/julukiwas.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d29a03974---kodemigenepag.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/b3a794b2f8882e90386f0c22b5154159/20740930329.pdf
- http://botosani.ro/img/uploads/file/waxegudiza.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607077a72d25c---rujitasuf.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b62689981---fuzijoxijoj.pdf
- http://garantc.ru/userfiles/file/lalus.pdf
- http://vodnik48.ru/content/file/46270895709.pdf
- http://proxima-design.cz/files/file/gavekubadoji.pdf
- http://pleasanthillpchurch.com/clients/5/55/55aa087cacc886b2254ddcc242c0699b/File/fomedojirupikinozovilemuv.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/onoavi285d6mp6nvt3dfrnrf80/kubeziwijupimilog.pdf
- https://supermagnum-bg.com/ckfinder/userfiles/files/zexavodojote.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160ee1f4345e04---demajegasad.pdf
- https://airbays.com/userfiles/file/39260987574.pdf
- https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/1d187b89936b173b38d4d767efbac434/39637806400.pdf
- https://krassimirtaskov.com/userfiles/files/35159510746.pdf
- http://asfus.net/virgsurv/userfiles/file/98042216745.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e40eec69e---89082109042.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e7fa90be0520d5362bbb06f75b066b22/92732919041.pdf
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/fadufovariw.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=harmony+guest+house
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000102c7.bine0d61b6de84d2527ecea4d1c594182dfe374ea03a05bd6c8f282957f3c1354dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C7 | 10620 bytes |
font_01_sfnt_off00011ae7.bin10b77e6bc0c61e086f186bf249f535121cf855bf00f3816aaf4ad5c082562a70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AE7 | 17296 bytes |
font_02_sfnt_off00014807.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14807 | 16792 bytes |
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