MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting it's part of a link farm designed to distribute further malicious content. The presence of external URIs and the PDF_RANDOM_URL_LINK heuristic strongly suggest the document's purpose is to redirect users to these compromised hosts to download additional malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16093330e79bb8---lupij.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/0btmjhi29ekhqbo7hn2rt3rt0h/51414551741.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd415e9274---fojexazilef.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160721e99c1fb6---53089661512.pdf
- https://gelblighting.com/userfiles/files/42740787512.pdf
- http://kfnmdg.com/upfolder/e/files/20210616022743.pdf
- http://selfmadefilms.nl/userfiles/files/25795743286.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/d26a1bspbn1te5m1iiv4046kdp/49838734313.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/8bd912ee95fef82f14ff040f2d0cc232/xibuwifa.pdf
- http://famillespourstarlight.ca/clients/a/a9/a9b42c05011d3bb27e7f7ec2ed30324f/File/fanemulemido.pdf
- http://worldprint.su/userfiles/file/pifofimebeminozoweli.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160818996d7d3d---21739440718.pdf
- https://almondzwealth.com/administrator/imagetemp/file/88730124869.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c2199b86ed---63951501182.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/c84v9pt99j14ko1cub90gal4le/begowiw.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ba306439a---xipodolizu.pdf
- http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/nixanopadufinuxozurur.pdf
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/24cb180feb219115ad500f7b1cf3f717/jirenawojakebujev.pdf
- https://bancodevida.com/bancodevida/admin/images/image/file/20768494351.pdf
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/970fbed5c705e768e1796aef9b9dad8d/37352587911.pdf
- http://arcomproltd.com/userfiles/file/13285117650.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077149e57619---838068934.pdf
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/13ed1b9d1a6eec60e9016f652fd111e5/68695303212.pdf
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160ac20a8ed0b0---47982932439.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608667959028d---91555066598.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/e17i2k7b00o3cmknulbofdqiss/pubirezutewekubuwo.pdf
- http://viral-list-machine.com/ckfinder/userfiles/publics/files/1247207605.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=new+bollywood+mp3+song+2019
- 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_off0000d868.bin39935cafb59ce1d1100418d73299576aea7ae794dbbb9e7470f51fcb2be76631 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD868 | 16988 bytes |
font_01_sfnt_off000104a7.binad25dc51a2a3e88690f5922879810611f498911d51c824d6f0f4bfa1134e4526 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A7 | 11236 bytes |
font_02_sfnt_off00011eb2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EB2 | 16792 bytes |
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