MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to websites hosted on compromised CMS uploads and disposable domains, indicating a link farm designed to lure users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://kuresi-kaitori.com/upload/content_pic/files/87202435095.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/dfaea7364c99b16679442f042f3df4b8/57591898254.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c4926535bc6---zabovopuw.pdf
- https://zemiigori.com/uploads/file/28843788994.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/0fa984e9816cc0e5c1dfcad55f068b60/poxuragoli.pdf
- http://taskentcompany.com/userfiles/file/wanej.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/43d17b509caba2b4ac54a0ac24d6ab5a/gonate.pdf
- http://muszempilla.com/files/file/32860252916.pdf
- http://vasvaripalmuzeum.hu/upload/file/jamutotonaledakib.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/c6j1s7n9i4gdkc6utfiatrg004/278039754.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609635548b2d7---60234472131.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/a4110cb54fdf1f52e1720b65584e2c5b/viwupisoruk.pdf
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/b0841a6ab9ec52cfeec6feb7f4f097d5/kogirature.pdf
- http://bmhs71.com/clients/c/c9/c97ff408e01126d63256cf68004d6641/File/73940809875.pdf
- http://eksan-ltd.com/userfiles/file/tuxopumuwo.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c7c0823ecb1---wiwizazuno.pdf
- http://hattingtoemrerogsnedker.dk/userfiles/file/47037012032.pdf
- https://bloomeng.com/uploads/36350963564.pdf
- http://imi.vc/upload/files/zagupiwajowobaxozukaku.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cac573b7e8e---35386002743.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/7882d2e3a43c31c031ffaf5324d3deff/militewor.pdf
- http://chatsworth72.com/clients/5/53/532ec3c8dc0e95779814939736d4df6d/File/60133838405.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a826fecf394---repekelusokinifozavowo.pdf
- http://polyalpan.hu/_user/file/nasiwukisomafilupe.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=fbg+duck+most+popular+song
- 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_off0000eb07.bin7072ab1926b11698b930b3cd184736584c22e5fbe48b6c776cb44fff9a7bfb71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB07 | 10944 bytes |
font_01_sfnt_off000103fd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103FD | 16792 bytes |
font_02_sfnt_off00011c0f.bind0c585065a586448a4447d7662dcdaa3d8456b89e90cc634370ed7efdaf423ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C0F | 17380 bytes |
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