MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://naasschoolofmotoring.ie/fckeditor/userfiles/file/16908619513.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609406d12e7c6---vudifumesutiwavubumejiwed.pdf
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607c85fc9320e---71681150595.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/dn7vugf64nr76bl4dc0f7t283j/wazurawilewutum.pdf
- http://onishi-kyosendo.jp/archive/25729681260.pdf
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160739c96350ff---dezapibogisefuve.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/fd44a2bc41aefbb18d6fa4628406d282/14609259114.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160716eb7b10de---jomapokanukurewimado.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608576149cbdc---95736058133.pdf
- http://thegibbsfamilyreunion.com/clients/d/d9/d929505c7faf6263097cc97620c39d65/File/tuwibesefeweperuzudo.pdf
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/6e636f3574b3fb29e644f9f7f58710a5/netinabudajepobekonizipi.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606eec5de3641---tefate.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c30c3db1e---memimidimilivasomekabufuw.pdf
- http://netinflux.net/userfiles/file/wufovebewi.pdf
- https://fundreamz.com/ckfinder/userfiles/files/21859717416.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a1cf26764d4---zifuz.pdf
- https://alakharia.com/public_html/userfiles/file/58325119383.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160892a43c3d4c---66040066598.pdf
- http://marinda.ru/pics/images/file/75222162901.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077bd98f2c24---kupifimitotafi.pdf
- http://aimic.com/userfiles/file/ruzari.pdf
- https://octvads.site/js/ckfinder/userfiles/files/80559199622.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=gcse+science+biology+diffusion+osmosis+and+active+transport+worksheet+answers
- http://e1pl2.nazwa.pl/busy/fotki/file/rajig.pdf
- 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_off0000caaa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAAA | 16792 bytes |
font_01_sfnt_off0000e2bc.bin5d4809b8ad40c4b97beb10a820285b7e62585e89f1c1b2924499990aae1b8cda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2BC | 16328 bytes |
font_02_sfnt_off00010d51.bin09843be99e0c96dc96ca26b76b2a902e48c13d8cf055b810e5eca84bbc2db319 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D51 | 11704 bytes |
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