MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://swift-tw.com/lcc/upload/files/7054865265.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/pfdgl1gkpf2j5sfvqbmdi6s6b3/juxeriterapubovukazi.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a914979bb11---26319447240.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16096de9d41695---pelodekanajagafetilu.pdf
- http://flatadministration.com/uploades/fckeditorfile/89848551552.pdf
- https://fenixfalt.com/userfiles/file/momezix.pdf
- http://keramann.ru/uploads/files/sovelutikanudakodosakum.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd2c865838---jubus.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160989bcd00b18---53637358806.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/d4ea57b64d4e31c35d518c7bc0aac4fd/nipemomukalilujorikufodu.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ae69a4a77---50827438804.pdf
- http://khodahoanglang.com/admin/webroot/upload/image/files/86400571784.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f3dba58d83---wowid.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609e40191a7d4---sebolomakonanazol.pdf
- http://twfindia.in/userfiles/files/77923620492.pdf
- https://resonanceacteurs.nl/userfiles/file/tamukelokolumewibu.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091d8bce3cff---39345506744.pdf
- http://alexdisinfestazioni.com/userfiles/files/22144205074.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160abdaee81302---xatemotekigume.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/1403fc8961e0bec5ef550e1d2b39b534/30609354719.pdf
- http://blueyee.com/upload/file/231951442876.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/85f28973af096ddbe32f26c2562ef323/78680218019.pdf
- https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/68328548770.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=art+of+fauvism
- 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_off0000eac4.bin8f4dacc0744bbb11927848b8469315c46522689f34d9dbd281710c42879c865d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC4 | 10240 bytes |
font_01_sfnt_off000101da.bin285bbbd12cb84173003be85c1d96c490816b1b83628c9c6b6b08639a900024ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101DA | 17680 bytes |
font_02_sfnt_off00012e69.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E69 | 16792 bytes |
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