MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm designed to redirect users to potentially malicious content. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a deliberate attempt to obscure the final destination and potentially distribute malware or conduct phishing. No scripts were extracted, but the structure strongly suggests a lure for initial access.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/f0dda8a48b75f4223114389bad834ec8/somakudaf.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/nr0d9qhoj0ppegq12b9ch34bbt/zamim.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610071515afbc---84950606057.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/23bd6109b9b2600cc38fbbeab7852365/51783534052.pdf
- https://deniz-sogutma.org/img/userfiles/file/wimidafeza.pdf
- http://bioscipublisher.com/files/upfiles/file/kivevuwogijevijemegew.pdf
- https://loctra.net/userfiles/file/76347681545.pdf
- http://xn--or3bi2da319p.com/upload/fckeditor/file/boxinoxorofirixakexek.pdf
- http://goldenteriyaki.com/uploads/files/22967872109.pdf
- https://stallion-international.com/userfiles/file/tawurizenuf.pdf
- http://spearsyounglegacy.com/clients/b/b2/b2c23f164518415ec8f3c1c8d0af542d/File/64876516090.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/8d0730d31b26ef088709d32e355ca85a/dikefefizifajufuniri.pdf
- http://exclusivelimoservice.com/ckfinder/userfiles/files/20722085822.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/89qsjvghlh3flfuq919sudasit/nozenut.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/cfd60dde8b6e5ac29158a9438a5b04f6/tubebituxapew.pdf
- http://shtaket46.ru/page_edit/_samples/userfiles/files/69840943070.pdf
- http://szzxwx.com/Upload/Upload/file/2021751215155007.pdf
- http://jakebenmd.com/clients/0/0e/0eef9d569b11303d075d19626cc6f958/File/denodiroki.pdf
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nakoduvetujul.pdf
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/55683637088.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/pq9eocld0n1og517tque58f89q/gipidarere.pdf
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/f166551ef754ce6f7682a9a51f3b0ccc/33851171214.pdf
- http://linkingpeople.info/userfiles/file/35115004262.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160a24e5480e2a---nezetomojobutu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=square+numbers+worksheet+year+6
- 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_off0000bcd0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCD0 | 16792 bytes |
font_01_sfnt_off0000d4e2.bin2f5d811b06bd5a0cf5dcf1a6a1f06ffd1e555b86a063f25e8927e8e20b1b8a53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E2 | 15684 bytes |
font_02_sfnt_off0000fd3e.binb7036b4707c2a572f25549e795c8a22cc0c247f5bd8c0bc3eed009f55768f8fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD3E | 11156 bytes |
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