MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to WordPress sites utilizing formcraft or super-forms plugins for file uploads, suggesting a link farm or phishing lure. The presence of external URIs and the overall structure point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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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://archism.ru/uplcv?utm_term=my+android+phone+is+charging+very+slowly
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16142dd328bcf3---2966005433.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a064155d45---busijeja.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145a280ca3b3.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/3ildalo8osf8jcs7nnii1s881s/56650561755.pdf
- https://epagneuls-bretons.fr/caningest/images/file/xijobedagixurapi.pdf
- http://golden-candies.ru/webroot/files/files/dupebiduxupexa.pdf
- http://3colorjazz.com/fckeditor/userfiles/image/83401473837.pdf
- https://simplehome.ro/ckfinder/userfiles/files/jadibatozejimofug.pdf
- http://elpijisystem.com/file/18885508066.pdf
- https://fenicia.uy/fenicia.com.uy/uploads/files/73476495641.pdf
- http://tdsns.ru/userfiles/file/35828179598.pdf
- https://at2-turbo-j3t.com/contents/files/jififenotelisusi.pdf
- http://dastone.ru/userfiles/file/votop.pdf
- http://frankifoto.com/uploads/pages/files/lanefapemavovijovura.pdf
- https://investincarpathians.eu/app/webroot/media/files/lesuxeji.pdf
- https://dalnoboy.com/data/filestorage/upload/files/88780608907.pdf
- https://premium-house.uz/images/file/41293481029.pdf
- http://oticonshop.net/ckfinder/userfiles/files/barotogeke.pdf
- http://moonlightmontessori.com/upload/files/navazafukurajo.pdf
- http://studioingtassinari.eu/userfiles/files/49963848998.pdf
- http://jvcc.cn/ckfinder/userfiles/files/210906202859795569x66ee.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f3870df3a---poxojabevuvazeserutenesom.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_off0000e96e.bin05f5de8e00239a9e05c10eab939b910561dd8ae52a7849b4b0b8fc4c98edd734 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE96E | 10952 bytes |
font_01_sfnt_off00010292.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10292 | 16792 bytes |
font_02_sfnt_off00011aa4.bina58bd06213bef994dbfe274ab65623a028acbf6965065babb7fe892d8a87328a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA4 | 17632 bytes |
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