MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several pointing to compromised CMS upload directories, indicating a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16145dc8f163ad---vifeti.pdf
- https://aznamaste.com/ckfinder/userfiles/files/30739879875.pdf
- http://www.lasallelille.com/admin/ckfinder/userfiles/files/salabiginiji.pdf
- http://hmed.vn/upload/files/barugofizi.pdf
- http://eg-connect.com/uploads/editorfiles/file///funupelexamedidofobonozu.pdf
- http://aexpress.lv/index/images/up/file/16700272176.pdf
- https://beautydiction.com/ckfinder/userfiles/files/626209132.pdf
- http://coverybox.box8websites.com/ckfinder/userfiles/files/zaxelilopeburefaga.pdf
- http://suliaok.com/v15/Upload/file/2021920052117895.pdf
- http://cupta.org/userfiles/files/20210911174802.pdf
- http://buyyoutubecomments.com/ci/userfiles/files/veniz.pdf
- http://ruishikaishi.com/upload/content/files/2021/09/20210909102035.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/6200196c845befc0531ca94fbe073ed6/87496323720.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161326a55824dd---48658620266.pdf
- http://kfbma.org/files/fck/file/43833698254.pdf
- http://geosond.pl/userfiles/file/nujivifuri.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae54b0744a---jiwikufibopobowupi.pdf
- https://vargyasnekonyveles.hu/kepek/other/file/77440047086.pdf
- http://losangeles.songhakbbq.com/uploads/files/80174149148.pdf
- http://jcon-aps.dk/userfiles/file/godalirakopake.pdf
- https://diedacorporation.net/freesiafiles/file/99999064504.pdf
- https://prettygreekvillas.com/admin/fckeditor/editor/filemanager/connectofile/tojujuvasepal.pdf
- https://avukatwebsitesi.kocgrafik.net/upload/files/puxevumusixiwapitajefi.pdf
- http://gro-felix.si/uploads/91121506651.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=introduction+to+evolutionary+algorithms
- 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_off0000b460.bin0738bfcba39e5647a26fd810b113eeb41fc55a2a7efcf911104410b65d9cab06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB460 | 16124 bytes |
font_01_sfnt_off0000dd63.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD63 | 16792 bytes |
font_02_sfnt_off0000f57a.bin4dfd6c382b8473f01a08716247bbf763328ee775b30c49e092a3431266d07bc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57A | 11048 bytes |
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