MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. Multiple heuristics indicate the PDF acts as a link farm, directing users to various compromised websites and disposable hosting. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pensiunea-escape.ro/ckfinder/userfiles/files/fanoferumux.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/ea6075a6b45e2a6edd95d873259e37ec/gofowa.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/fff54bb0e24dcc4160b481441c24ba5f/pefisifuj.pdf
- http://falconartistmanagement.com/ckfinder/userfiles/files/31975534062.pdf
- http://www.advokat.com/app/webroot/img/fck/file/fufosexusugawojumavot.pdf
- http://zae.me/datafiles/file/70898383933.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607b950e815e0---93542447264.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/853ba726a1f61dca52594e46a8660def/87070816821.pdf
- http://easternsheep.by/app/upload/file/turuluwurininunimogawak.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cae3e22eff---75656205594.pdf
- http://andlupa.com/userfiles/file/76070469654.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c77a52a4bbf---11991233931.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf032b8b830---tedezadapalidonerovo.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/58310f2776959a994b1bdb53cdaf13f3/jeladekakimafaroxikakad.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b51337d331---zumevul.pdf
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210528161148060015lcvjsc.pdf
- http://filatelianumismaticaumbra.it/userfiles/file/62977006046.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080e0b3c6bbe---tegoribigivakis.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e4c94412374---67861152137.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160b86c85678ec---polafe.pdf
- http://fixafilm.se/userfiles/file/38616754694.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160aacf1c8c79f---waxogitosi.pdf
- http://heizler.hu/files/file/93328623719.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=larry%27s+chainsaw+carvings
- 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_off0000e5e7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5E7 | 16792 bytes |
font_01_sfnt_off0000fdf9.bine811a42febfe2735c1f814515cd0fa0d1f740fd732a3b4e3395eb1360aa11216 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDF9 | 17260 bytes |
font_02_sfnt_off00012b3c.bin061eece5f9325bbced5aafde31ade9e8ff179e5fc41a0b3def185c3a13ff69bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B3C | 10368 bytes |
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