MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicates that the document links to compromised WordPress upload storage, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://coastalstudio.com/images/main/file/22857206094.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/8e742737cc298c276b94628a90d8d091/8429788181.pdf
- https://xyoaa.org/sites/default/files/files/78999331400.pdf
- http://vuoncotichdep.com/upload/files/84793846364.pdf
- http://sperrincaravans.com/images/file/76924050493.pdf
- http://xatrbio.com/userfiles/file/lozusejogabuso.pdf
- https://piataafacerilor.ro/app/webroot/files/userfiles/files/45839597143.pdf
- https://rt-totaalafbouw.nl/userfiles/file/20838019316.pdf
- http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/wavutedewarukat.pdf
- http://www.chubsorn.com/file/files/67068006589.pdf
- https://henuopack.com/d/files/sixozepikadarufapo.pdf
- http://jungvassar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zuvesivunof.pdf
- http://top-rubber.com/admin/fckeditor/editor/filemanager/connectors/upload/file/sopelawojosolemitomu.pdf
- https://ikomsolutions.com/admin/userfiles/file/58685816013.pdf
- http://ceraunavoltapizzeria.it/userfiles/files/49147608431.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614411cbae165---74970089429.pdf
- https://bisleriuber.genefied.co/ckfinder/userfiles/files/livozilikotalerutanimip.pdf
- https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/76919768224.pdf
- https://curvy.tw/upload/files/venirenubisewad.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/ffe8be36de00e04d33fc71632accf800/56214053944.pdf
- http://sirindhorn.net/upload/File/somidafidizozanapesodede.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/748305b4d6f569d70f055025c000a15a/semaxegijesewut.pdf
- http://jfhcoaching.com/userfiles/files/16031490783.pdf
- https://tigaintan.com/contents/files/damugijezutolar.pdf
- https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/rigaxur.pdf
- http://giaydantuongphongkhach.net/images/news/file/lolopulewavo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=best+mail+format+for+sending+resume
- 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_off0000b505.binaf046d0269e0138e6806d423e7b8c127f783660ee4fc1b4627113a9fe45ca0a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB505 | 14768 bytes |
font_01_sfnt_off0000d9a6.binb44ec0a5fcc153633bb9086146ce7498e50c117c512a5c4e4ca60457bdfbcd07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9A6 | 10848 bytes |
font_02_sfnt_off0000f27b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF27B | 16792 bytes |
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