MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including ClamAV detecting it as Pdf.Phishing.Trojan and an ML classifier indicating a high probability of maliciousness. The presence of embedded JavaScript and a large number of external URIs, many pointing to compromised CMS uploads, strongly suggests a phishing or malware distribution scheme. The sample likely attempts to lure users to these external sites, which may host further malicious content or phishing forms.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://ketchas.ru/uplcv?utm_term=telugu+new+songs+2021
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/7ee49ea2e1438f8d6f91866d365f1995/gosafovorib.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143c9c4bf3d9---53026073119.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc68d638de---waxamadoloximezojisugow.pdf
- http://zoo-foto.cz/userfiles/file/piwinukalamonanimi.pdf
- http://computerdoki.hu/user/file/54393579030.pdf
- http://montex.pro/uploads/userfiles/file/10460498601.pdf
- http://mannaz.pl/userfiles1/file/zogowuvazafubefezemenemi.pdf
- http://robedecreateur.com/img/files/pakanelaxatejojegigu.pdf
- http://thechelseaff.com/user_uploads/files/nosusuxurudarerukasosina.pdf
- https://gaadalagi.com/contents/files/tituxolika.pdf
- https://betsin.org/userfiles/files/12470607482.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b6e26a4cf---11788961459.pdf
- http://www.siscbolivia.com/admin/uploaded/fck/file/192351160.pdf
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/xugubexovafinoxipilozak.pdf
- http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/mozutalozimo.pdf
- http://bedrucken24.de/userfiles/file/nijasejotixumuvujoret.pdf
- http://www.cda.org.hk/ckfinder/userfiles/files/wejanesurogoguzategubonup.pdf
- https://sbsoftware.ro/admin/userfiles/file/56907175877.pdf
- http://g-shocktou.com/user_file/file/midosukowoxofojonamurij.pdf
- https://bloomland.com/sites/bloomland.com/files/vixokipomipogoposizoxixad.pdf
- http://soepcentrale-dekeyser.be/userfiles/file/gadikoj.pdf
- http://fornacedelia.it/userfiles/files/komuzubigus.pdf
- http://memsports.com.br/admin/libs/ckeditor/ckfinder/files/rumujinewazotekososupufex.pdf
- http://etepi.pt/js/ckfinder/userfiles/files/97617328312.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/161380fba3ef73---16600018260.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_off0000e04a.bin949a516ec32e8e89576274d5167949964ae510ff470e4616b139b0526983e46c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE04A | 10276 bytes |
font_01_sfnt_off0000f7b5.binb399981192be0cedb5c01e8924e3a5130b5eb0ae50af6dd76d0d3bbd7b9482e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B5 | 19248 bytes |
font_02_sfnt_off000129df.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129DF | 16792 bytes |
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