MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm directing users to multiple compromised WordPress sites. These sites host other PDF files, suggesting a multi-stage distribution or phishing campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/n3gojp0oujubsh5vameqi81bts/pufibewosutawapugusatumob.pdf
- https://cplastik.cz/data/cms/file/69663496250.pdf
- http://veterina-hrib.cz/user-uploads/files/nifuzewoxoforupibela.pdf
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/429c35cd2dd69d6c7b1b6ad7a8443acd/40787183460.pdf
- http://novichiha.ru/pic/file/naraxerob.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e40798a6b---29222994224.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/225e1d1e1ae80a7d915e6763aeff106c/56285548410.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f105d18129---giweneka.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b28de9aeb5e---55777801652.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160726a14c7751---vuzokudojisatofavegel.pdf
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/lnprnp2fklboje3dtl50cpvh5q/kidizirabepos.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16080a26439383---nuruwadoxuxiku.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/1d1a296b3955245f93143ab59076d572/nedekewuvogebirij.pdf
- http://studiotecnicodavico.eu/userfiles/files/gisopewuxelozitogapap.pdf
- https://akapacha.com/userfiles/file/52440731629.pdf
- http://dienmattroigiasi.com/uploads/files/51818078793.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd11fdb5fcd---17070804862.pdf
- http://chocoenglish.com/_UploadFile/Images/file/95328887478.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba3c9110890---sulaxare.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d9a4eca55---37127898399.pdf
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/ff4d775e24e821533efe6baa7c8b5916/49827326558.pdf
- http://vom-ragnaroek.de/uploads/file/95537731447.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=mandy+moore+tangled+ever+after
- 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_off0000df7c.binad2edbb189bd66543daba04e9d6114e83856f547708e96e8e1877b5ec9cd07da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF7C | 17928 bytes |
font_01_sfnt_off00010ef2.bina40d845c9e8244e3995aec4588538b23b90ffcc51bfd78a245a98f7986fec907 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EF2 | 10612 bytes |
font_02_sfnt_off000126fd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126FD | 16792 bytes |
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