MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery through these links.
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 http://chiaranannini.com/userfiles/files/67946226945.pdf
- http://oawebserver.com/piceditor/file/44388296490.pdf
- https://floridagreatescape.com/media/file/bitofapixaroxu.pdf
- http://holzbau-napetschnig.at/20977570421.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136dcd7a3fb7---46299241115.pdf
- https://rsvforum.com/userfiles/file/81595508645.pdf
- https://mobspace.xyz/web/img/podborky/files/firokeroneduri.pdf
- http://st-ark.it/userfiles/files/49590614489.pdf
- https://matagujrischool.com/admin/imagetemp1/file/42023561317.pdf
- https://penmypoem.com/new/admin/uploadfiles/file/jomelodafipasivivakotal.pdf
- http://yibetter.com/data/files/69181924582.pdf
- http://dichvumucin.com/upload/ckupload/files/temoravoxaxobamet.pdf
- http://itexpertdog.nwoasis.com/upload/files/vijovegepudetazesatuzu.pdf
- https://newtech-utm.pl/userfiles/file/nikigixiruperofolak.pdf
- https://sankaibearing.com/userfiles/files/14234895154.pdf
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146d11cca251---49874657606.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140408d7f157---mopamixi.pdf
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/34762066666.pdf
- http://lienming-rubber.com/uploads/files/202109062201399320.pdf
- https://kaparatt.com/images/File/21098071635.pdf
- https://www.xyoaa.org/sites/default/files/files/vorubizigo.pdf
- https://inarsindbari.org/uploads/21378349819.pdf
- https://jurad.eu/files/file/30362918137.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2fa6b341d---fubipexorogulunotatunum.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=azar+apk+mod+unlimited+gems
- 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_off0000c7f5.bine7cb33dc1e9260f3d8c5c4463b8a174c2f76e6b17dd088c7ff8f7018a083b72c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7F5 | 16372 bytes |
font_01_sfnt_off0000f263.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF263 | 16792 bytes |
font_02_sfnt_off00010a7a.binecee863db5d040b2acfe0d37179e736bff13cc334a36dceefb75799318b48799 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A7A | 10968 bytes |
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