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 WordPress sites or disposable hosting, indicating a link farm designed for malicious redirection. The ClamAV detection and ML classifier strongly suggest this PDF is a phishing or malware distribution vehicle. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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 http://tantos.jp/js/upload/files/54606340900.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/c851b15ca70dcdd93fff6eb3e3c8ed60/xupesomediberovepo.pdf
- https://fotobolfestmeny.hu/mvc/userfiles/file/40076213054.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b4954c8cd78---gawawakuxipikipuzumeleke.pdf
- http://gagutp.com/sa_upload/userfiles/file/20210619192514.pdf
- https://medtek.vn/storage/file/9499174195.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d63ee1b7c---vasolabeg.pdf
- http://cozycornerexpress.com/uploads/files/bakidifevuxozefejexafo.pdf
- http://www.kickcommerce.com/userfiles/file/63884107831.pdf
- http://polimak.pl/userfiles/file/jojawupi.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608c779638bf9---nutogolokopi.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160719db65480f---44595639302.pdf
- https://sasalidayanisma.org/uploads/file/meferoduxamaguto.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160815f898e47e---63388675484.pdf
- http://acril.ru/ufiles/files/4146822431.pdf
- http://teplorium.su/userfiles/file/51262836108.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849532d0fff---resimurasijufedoras.pdf
- http://goldenbaycruisesagent.com/userfiles/file/nuvugewagotimemanusijemew.pdf
- http://thietbixanh.net/uploads/files/pojodirumofobux.pdf
- https://planet-for-events.de/userfiles/file/25378367295.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c952720e645---poveninusumelulakimaxexel.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/b66bdd960909328102c788d8f99fc2ad/zisosesuremaxufa.pdf
- http://hiace-yoshikawa.com/js/upload/files/48132559894.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845dedaa3d7---64078189780.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+cbr+test+is+performed
- 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_off00010f00.bin7585013dafb330d91633a3fa46d7c1d7490f64ea87f82965a707330e152e29f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F00 | 10688 bytes |
font_01_sfnt_off0001275b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1275B | 16792 bytes |
font_02_sfnt_off00013f6d.bin5292f378616615ccfcbd353f01434398dba60e8563fadbc4337189efc61a04e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F6D | 17104 bytes |
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