MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous links pointing to compromised CMS uploads and disposable hosting suggests a link farm designed to redirect users to malicious sites. The file's structure and embedded URLs align with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608297bbdffa4---96490191364.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c9c227d9a---sagewotuzo.pdf
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/biwekiwesore.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/27e996557c292eb1a58c09adfc1592f5/menedalunobofu.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/09dc88418510b545f3e97b0f3808a56a/49966348002.pdf
- http://hillsdale66ersreunion.com/clients/c/c6/c679c52642bc64dd8629b98fb95ccc77/File/karatidarozato.pdf
- http://broadmoor79.com/clients/864886/File/wukoz.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/dac3635198d01a38bfe64221496ed15a/80908973355.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/520d7b4832f330b4196b3ff76707f08c/sezorufil.pdf
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/084t13pke8d6va7k3ndh8anmo2/woragoxunopigepisodi.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/c2ac2d991cf4f4e8bb636568830ca347/zuzotubofifoxijemotilol.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a20872ffd2---61022328365.pdf
- http://magogaralbamoble.com/galeria/files/noburanumopasapi.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd804e6360a---xarezonutufix.pdf
- https://aslimitada.com/userfiles/file/23421789531.pdf
- http://taikenplan.jp/ckfinder/userfiles/files/diwivofufawokojal.pdf
- http://lookkorea.net/userfiles/file/25086076529.pdf
- http://dancingstarsgreenwich.net/clients/1/10/10f73e4104fe6082999c9b722aa65ba2/File/54546060004.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098ebffc3b1e---zizidarejozujose.pdf
- http://maasmartcity.com/userfiles/file/5638935545.pdf
- http://www.aluvascientific.com/UserFiles/file/13655784637.pdf
- http://adamlegal.com/userfiles/file/jisotimudalasogi.pdf
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/f283df96945402deca096b39919ba480/38677579963.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=paul+walker+fast+and+furious
- 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_off0000fbf0.binb37445ce7f8fbe67c5136eb91094c949a03526e08814edbb61cf18ec8e6929c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF0 | 18496 bytes |
font_01_sfnt_off00012c87.bin91009691687301b93397bcf79ca6477dc9ea79ab70300c2bca3d772c43d09d4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C87 | 10624 bytes |
font_02_sfnt_off0001450f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1450F | 16792 bytes |
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