MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript and numerous links pointing to PDF files hosted on compromised WordPress sites. These links appear to be part of a link farm designed to obscure the true destination, likely a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/018a5c3d98d27299d9736a3fb3c4b776/talitagubijof.pdf In PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad745738f0f---12792569877.pdfIn PDF document text
- http://dspec-car.com/js/upload/files/tedizizegojagakesa.pdfIn PDF document text
- https://geneticapanama.com/userfiles/file/zabumaziredakojubi.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/kpli24r7g0me3pi81m6k22vb60/94252534552.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/zenufivarutenubomopikoma.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/7dcteeb2tc2942v887mtegovee/guvotitilusojuluj.pdfIn PDF document text
- https://www.stock2morrow.com/ckfinder/userfiles/files/ranoxep.pdfIn PDF document text
- https://carsen.sk/editor_uploads/system/files/fofolizoseruvusamukel.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070611dec501---xogawakovenedok.pdfIn PDF document text
- https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/svrmrmuac3rej9pqu521sv7rgh/ramoje.pdfIn PDF document text
- https://aynadakikemalizm.com/resimler/files/19718703885.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16073bff09e20c---mifotawabor.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/ba474f4019ae2b3c319518d674dbb34d/wetitawune.pdfIn PDF document text
- https://nocenzura.space/web/img/podborky/files/bazagolefitunezefeb.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16079258cdc370---96841260202.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/19af59a8cb27ac5646cd581a8dede93a/19157980287.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c36ddc49052---vudarogisise.pdfIn PDF document text
- https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/nogebovatakus.pdfIn PDF document text
- http://secretlove.ch/ckfinder/userfiles/files/demofajizuxagupagabaw.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/douka3vfm8sn579orj5osiauj1/1687717315.pdfIn PDF document text
- http://healthywithhart.com/res/file/28529968279.pdfIn PDF document text
- http://pytextiles.com/userfiles/file/98802253565.pdfIn PDF document text
- http://radio-salsa.com/php/rs/filesupload/file/redugubabimuxulete.pdfIn PDF document text
- https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/xovofitakufifev.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=32+kg+in+poundsPDF 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c81a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC81A | 10416 bytes |
SHA-256: 7e6ffee01aa68d4aa6e40a945b47baf194d3fe2f5b3a9f6e17d2b21db708f495 |
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font_01_sfnt_off0000df97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF97 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f7a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A9 | 16588 bytes |
SHA-256: 517fe9354865cfc1c43d7064938922e85a66eca77f7fde5fd960f32a1620c1aa |
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