MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal that the document functions as a link farm, directing users to multiple URLs hosted on compromised WordPress sites. These links are likely used for SEO manipulation or to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9904
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://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160888df00cb9e---nukazetevisezixipaguleju.pdf
- http://chipublichouse.com/ckfinder/userfiles/files/jaxodevovesef.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945c815a1f5---xakiwozetibagonis.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16080a6dc14805---dejugetanivigezu.pdf
- http://verkaufs-akademie.com/userfiles/file/dosasoxib.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad065f5327b---17631119428.pdf
- http://brookhavenclassof1967.com/clients/0/0c/0ca802fc87877f8c548ddf85495caeb2/File/26922214223.pdf
- http://szolnokepul.hu/userfiles/file/26508795592.pdf
- https://parklanehotel.asia/userfiles/file/63722541299.pdf
- http://www.odnpoznan.pl/fotki/file/file/96137416838.pdf
- http://bet-balance.com/userfiles/file/17179114004.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/d73ed8924a62d0ad9a3903f41688017f/bexokitowa.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16079d886cb0ad---1086445633.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a37fdd1153e---63577280684.pdf
- https://cakenflowersonline.com/userfiles/file/dobowikivupizax.pdf
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bf68ee3a977---lukexanavuxas.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3163d57429---3676898555.pdf
- https://contact-house.com/fckeditor/upload/file/xutizazejerutogiw.pdf
- http://nitexprofi.cz/userfiles/file/tuwixaki.pdf
- https://concertwristband.com/resimler/files/dalesazevojetuzalonav.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a06d25a65de---vojivupo.pdf
- http://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92103863150.pdf
- http://tootingtaxi.com/survey/userfiles/files/23080215764.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/1736169a9c33f4798662384f52f4731f/96780156664.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=what+is+the+navier+stokes+equation
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00024744.bin9b889b188be8f3bdf34b80192d102dd2590c7b914ffefc48278d919fcfa1c06a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24744 | 10556 bytes |
font_01_sfnt_off00025f62.binbb9ed2d5e5c3809a74fc59cc492944640c3e1ef7342caeaba2e9735c1b50dde9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25F62 | 23696 bytes |
font_02_sfnt_off00029f14.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x29F14 | 16792 bytes |
font_03_sfnt_off0002b725.binb1ef7b52ed35dfd01120c19ee4193d967dc828f2fc549fe1a2d8c3c5029b4647 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2B725 | 16244 bytes |
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