MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that function as a link farm, directing users to potentially compromised or malicious domains. The presence of multiple 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicates a deliberate attempt to obscure the final malicious destination through a series of redirects and potentially compromised hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://dom4m.by/userfiles/files/71304264353.pdf
- http://happy-land.hu/editor_up/73660167027.pdf
- http://chrisdepanneservices.fr/Sites/cds/files/59175089427.pdf
- http://hotelalbicia.com/userfiles/file/75477960000.pdf
- http://studiobonvino.com/userfiles/files/83861577727.pdf
- https://polaria.cz/images/file/12754990393.pdf
- https://smartstone.ca/userfiles/files/letikel.pdf
- http://accessprecision.com/userfiles/file/87642094041.pdf
- http://www.gamylai.vn/uploads/files/ronevoxutuvasagabutuda.pdf
- http://sportgalaktik.sk/userfiles/file/xezovaremo.pdf
- http://immobiliareborghi.com/userfiles/files/kowuwazu.pdf
- https://alienaquatics.com/home/gb/public_html/ckfinder/userfiles/files/mimuxulawubidofav.pdf
- http://bbfederico2.net/userfiles/file/57739489959.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613450801ba21---35551080711.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/bf393ff70d0411b60a0043c396e9f5a4/mazonigotafosawin.pdf
- http://aliceinformaticasrl.com/user/pages/59921446973.pdf
- https://edarky.net/data/file/nojog.pdf
- http://bavlas.lt/ckfinder/userfiles/files/29948485234.pdf
- https://8cj2aja7-8mxb.com/contents/files/totedarudodokufuxazarasap.pdf
- http://smflow.in/admin/uploads/file/rimozo.pdf
- https://dcoderesearch.com/uploads/1155650815.pdf
- http://skogsformedling.se/bilder_umeny/File/1347000584.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161310bb148f1d---37595954575.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613862f9b789c---88021885536.pdf
- http://placidlakes.com/larpm/uploads/file/79738754603.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=john+wick+chapter+4+download
- 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_off0000c07a.bina09ceb04459bf86f43b66f31fb6aca362bec33ea83fbaa69c169eb27555ee8f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC07A | 17824 bytes |
font_01_sfnt_off0000ee70.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE70 | 16792 bytes |
font_02_sfnt_off00010687.bina103efee5c6013beca44fc979026ed72f528e1a634cd9b0dd254ec220478de2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10687 | 10692 bytes |
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