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, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://crysiq.ru/uplcv?utm_term=cod+zombies+free+download+pc PDF link annotation
- http://nakamurasangyou.jp/app/webroot/uploads/files/96307838487.pdfIn PDF document text
- http://fruitvita.com/files/files/54877916949.pdfIn PDF document text
- https://12shio1.com/contents/files/80700749716.pdfIn PDF document text
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/60753473023.pdfIn PDF document text
- http://parcroyale.hk/userfiles/30369508434.pdfIn PDF document text
- http://mail-business.ru/uploads/file/10542772917.pdfIn PDF document text
- https://thingstodobahrain.net/ckfinder/userfiles/files/22877477989.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/66470912490.pdfIn PDF document text
- http://bmfjhjk.friend-match.com/upload/files/31318177316.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/witejejeka.pdfIn PDF document text
- http://fsf-vastroad.com/userfiles/file/61334081198.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/a3000a7ba5fe4c5fc785c85b5c26e59a/noxitopofifemozetefiziluv.pdfIn PDF document text
- https://gloriamus.org/Uploads/userfiles/files/gapujizakuzazino.pdfIn PDF document text
- https://papiratisk.cz/soubory/12040848392.pdfIn PDF document text
- http://scuderia512.com/js/upload/files/jepuwepujufixusupisop.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16141a0c4566e2---79203731112.pdfIn PDF document text
- http://bbmeti.it/userfiles/files/disekezemitoli.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/f898dcurg1rd5o7rg5nhu3ma64/62376482647.pdfIn PDF document text
- https://handinhand-daycare.com/ckfinder/userfiles/files/rofivatirotageso.pdfIn PDF document text
- http://immobilieninvestors.com/userfiles/file/57796690605.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/2b2c62408ceed3bca8fdd0e8a9a89fef/xuvid.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/gagarixosozoxorogewetovof.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_off0000b91c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB91C | 16056 bytes |
SHA-256: fcd56494e49c0b15cd6abc5a8a32cf3074487c59d7a1e5910a2d409e3a7c3a6f |
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font_01_sfnt_off0000e214.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE214 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fa2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA2B | 11000 bytes |
SHA-256: 90ef3a6d0e79fb630b5fe6c22ccc4d078bc18dc87beb515570fc12026d9605e8 |
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