MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF that exhibits characteristics of a phishing lure, specifically requesting recovery secrets or private keys. It contains numerous links to external PDFs hosted on compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/r0p1tdbcd6ssk95gkvqdmeg6kj/sovizasesokalikapivo.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e393aa687f5---41442803626.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/9361301d182f5617c571b0f5f32e7296/67446889235.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4263df292---75406657996.pdf
- http://www.hgbehringer.de/img/files/files/vapexen.pdf
- http://aj-logistics.com/stock/userfiles/file/fibajakuv.pdf
- http://secretinvitation.net/images/files/wonuguri.pdf
- http://arci-mp.fr/admin/File/67849530001.pdf
- https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/a2559844d6e3b11cf4875907a9ffd4c1/31585243868.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608bdaa40353e---duxaralodusudabovu.pdf
- http://aeronautike.com/userfiles/file/rozudusibekugutaxozaw.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/16095f589d64c7---41858179106.pdf
- http://drthchowdary.net/userfiles/file/24702803890.pdf
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a7651f4e1d6---22276295014.pdf
- http://ristoranteyuri2.com/userfiles/file/73279832076.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/135e0ff50bc5fdedc010546f4c19e689/42874956719.pdf
- https://hostmegasoft.com/calisma2/files/uploads/fabiwezimapawezagomaj.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cab78b96516---wokemav.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/38850920168bebfe44679bb37b213783/35681647571.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/8fc11275ca94cdc73ab32cf5a8977960/bosobunasajefunudu.pdf
- https://mimpishiodua.com/contents//files/kisem.pdf
- http://scheidenschiedam.nl/uploads//file/tamamajejezagimuduf.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=no+of+prime+nos+from+1+to+100
- 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_off0000ffcd.binbb28d3cbad955d32cf1070b215b316413b8bafd485c5dc67fac91ceb6db1707a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFCD | 17976 bytes |
font_01_sfnt_off00012ecc.binf5238eda55b9af58785cbca87b671b4e3b587da08db6cfe5844005b8b635e609 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ECC | 10460 bytes |
font_02_sfnt_off00014693.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14693 | 16792 bytes |
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