MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, forming a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://catamma.ru/uplcv?utm_term=fortnite+season+4+item+shop+skins PDF link annotation
- http://emotionpicturesfestival.gr/userfiles/file/62774977843.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/tupetudopekaseba.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/63a2adebdc9e14023bc2813680f65a61/dozanalotuzerarore.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/dept54sfagq9asotiv6tgncc73/35887975909.pdfIn PDF document text
- https://hanyauntuktesting.com/contents/files/zapevidukun.pdfIn PDF document text
- https://lawtutors.co.uk/js/ckfinder/userfiles/files/50223554189.pdfIn PDF document text
- http://ccforum.kr/uploads/file/1631410321.pdfIn PDF document text
- http://lrpharmaceutical.com/upload/files/rigoxutazonug.pdfIn PDF document text
- https://excore.hu/ckfinder/userfiles/files/96674673623.pdfIn PDF document text
- http://recrute.fr/files/files/95106948326.pdfIn PDF document text
- https://peoplehelppeople.net/uploads/File/wumidopoxi.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1613e025d0caa2---99537580513.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/23306047738.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aba56f415b---firukubuneg.pdfIn PDF document text
- http://birdwatching.sk/media/file/11819420111.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/8091b0d1c023754b2f497ec081b094a2/wuwak.pdfIn PDF document text
- https://olivier-daulte.com/ckfinder/userfiles/files/jesuwufisuka.pdfIn PDF document text
- https://tennis-samara.ru/img/file/25138979980.pdfIn PDF document text
- http://reyazahmad.bscsaoner.in/ckfinder/userfiles/files/5924638155.pdfIn PDF document text
- http://thementalhealthadvocates.org/files/userfiles/file/37468971022.pdfIn PDF document text
- http://kvbm.org/pds/userfiles/files/fedunalumukowoko.pdfIn PDF document text
- https://a-metal.e-giant.net/archive/file/files/15862986596.pdfIn PDF document text
- https://tmtteks.com/files/15494659763.pdfIn PDF document text
- http://tfe-design.dk/userfiles/file/46831656715.pdfIn PDF document text
- http://border-collie.ru/sites/default/files/file/valelibasuzemupadako.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c742.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC742 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF59 | 10620 bytes |
SHA-256: 3cd103d01f34cce5b4229f55c0e8cd0cbcf90249fdaf112058e2a7d5ccf46e09 |
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font_02_sfnt_off0000f776.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF776 | 17260 bytes |
SHA-256: 5c80bb64232a787e6ade7c01f94ecabe2109868c8852169a81197f2aeff448f7 |
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