MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are consistent with a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://nomylo.ru/uplcv?utm_term=how+to+set+a+live+wallpaper+on+iphone+xr PDF link annotation
- http://dreamwith.gni.kr/ckupload/files/zukenudopazav.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/bchka71nshbdbel83u75m65hcv/fosejubixiloribikuz.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/161368b52b96f5---wezevijigugazanegume.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/84830453976.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210912000900110.pdfIn PDF document text
- http://telesson.net/_UploadFile/Images/file/59438160889.pdfIn PDF document text
- http://bursaceyizgelinlik.com/images_upload/files/81389751202.pdfIn PDF document text
- http://www.gpkoaee.ru/ckfinder/userfiles/files/bozazez.pdfIn PDF document text
- https://brianspradlin.com/userfiles/file/ramafawutof.pdfIn PDF document text
- https://sledovani2.gpshlidac.cz/www/userfiles/files/30818763110.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161473767b2443---63952416531.pdfIn PDF document text
- http://irodaszer.lukinserv.hu/file/kizebulotipesutijigugu.pdfIn PDF document text
- https://bdblue.com/ckfinder/userfiles/files/57030921309.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/94200116154.pdfIn PDF document text
- http://deleeuwputten.nl/site/data/ws/files/lumusulufona.pdfIn PDF document text
- https://mtmnetwork.net/uploadEditor/files/23171598242.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16137a4e73f40f---napezusugorum.pdfIn PDF document text
- http://msslink.ru/userfiles/files/nuwoxogamujavarifadalo.pdfIn PDF document text
- http://kup-vino.cz/web/ckfinder/userfiles/files/94357533788.pdfIn PDF document text
- http://pc580.cn/upload_fck/file/2021-9-19/20210919085339631152.pdfIn PDF document text
- http://hai-bi.com/uploads/files/202109170719304809.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614137c201c08---83092390745.pdfIn PDF document text
- https://blnk.eu/userfiles/files/54744008610.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f51f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51F | 10592 bytes |
SHA-256: fe66456776e6c6fe6cc12540fa0d7a45ae4a89494f00a0075218494b181a80ed |
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font_02_sfnt_off00010d47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D47 | 18520 bytes |
SHA-256: 9c0bc0fa81461e04675925aa5331a789dfd383dd624957fb35b53d3c0eea3da2 |
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