MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised websites or are part of a link farm designed to manipulate search engine results. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9931
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://altstudio.be/app/webroot/uploads/file/25976979883.pdf
- http://velocimapper.com//webfiles/file/bumuf.pdf
- http://sheilahancock.net/blogfck/file/75568388056.pdf
- https://goodluckfishing.com/ckfinder/userfiles/files/18275237644.pdf
- http://alarcon-v.com/editor_upload_image/file/xiwalikiduzogapixeposiwa.pdf
- http://tauroconsulting.pl/userfiles/file/zozavopu.pdf
- http://fullcolorspandoeken.nl/userfiles/file/tinisogup.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afaa862a76c---84639115165.pdf
- http://thetestmag.com/userfiles/files/nodarubijaparema.pdf
- http://mrcookie.tw/upload/editor/file/040250563689.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a78d349e952---bimuvipapisevizitir.pdf
- http://gldbirdgel.com/user_img/files/65689321468.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a4630b6ec---rukumixokajegizusiduzemid.pdf
- http://anandamsanyal.com/userfiles/file/90899591410.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a85d16d59---xosewobuwexuwowanamokuju.pdf
- https://bilalyapidekorasyon.com/userfiles/file/xafesom.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16091060a4393d---xewusuwivolowa.pdf
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/sbldnk2lssmcif057oklunoma7/sirevofu.pdf
- http://ehs1958.org/clients/73155/File/78568186269.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/1fc0c020faee87c0c635fe1326070242/pavejapavisigojozes.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/be2cb4139c2f734ff4fb6bc92ba59329/denibovudukedoxawivage.pdf
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/bd7dc67a349d912b5b32a9cbf42744c4/bogaxaxewizamixuj.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef3aea182e---rupebanosigujizugaf.pdf
- http://salinahighschool1967.com/clients/c/c9/c9c88be04994199279bceb128c91314f/File/repejovexugajojuduginiz.pdf
- https://argentinaproduct.com/ckfinder/userfiles/files/42355616516.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/d7a663911ae3543e3fbea868db0c99b6/vusipikoragekadan.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=refeeding+syndrome+icd+10
- 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_off00013474.bin6f3503dee98003e69f609b6540241e3d813ff22669064dfe4c94ab12ad75d07c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13474 | 18040 bytes |
font_01_sfnt_off000163a9.bin06a6706a43bffeb803d739cb3f0bb8b21e4661cd5e4e409ce2665a2cd3f62817 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x163A9 | 10844 bytes |
font_02_sfnt_off00017c87.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C87 | 16792 bytes |
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