MALICIOUS
156
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 upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and link farm heuristics strongly supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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://queure.ru/uplcv?utm_term=famous+still+life+photographer
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/2b4d85c587646ab47695f1fb797d67ce/jifabaxasijoxuted.pdf
- http://aircond.md/upload_fck/file/98569728677.pdf
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f634d84ee5---punagim.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b0c29692f---tevigivoxoliro.pdf
- http://sushiloverca.com/uploads/files/fufuwaxomolisonasif.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080a8e35b063---jepulejuteluzogotew.pdf
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/4f31f60ec0ade074b76a59431a83cea9/7173500402.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/b327e537d37e76ca05ea52020b22423a/57994291272.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/cf990350127296c219fd117a967f3622/lakometomuwudetafim.pdf
- http://asea-admin.com/_userfiles/file/20210531015426.pdf
- http://airconbank.com/upload/fckeditor/file/10498067424.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf585f3677e---22495880123.pdf
- http://mrbossamktown.com/uploads/files/54403719430.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607965a1b1548---11786210033.pdf
- http://nppmaudaha.in/ckfinder/userfiles/files/38960209380.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a214ff2da3---79969390820.pdf
- http://abwferrellpkwy.com/uploads/files/maxalofefatezasomub.pdf
- http://championsview.net/userimages/77073947769.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b866d4470df---66194264249.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b097440a9---71123749380.pdf
- https://llsindia.in/FCKeditor/file/12471205478.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/39372795026ac9c3fd8ba65e565bab7c/vujagiwojaniwinu.pdf
- http://aksaaydinlatma.com/img/editor/image/file/juxud.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a922662e9c2---98070942750.pdf
- 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_off0000f067.bin09c5f546e70966f96c0cfebb9a642b5caaa50f80c30105b780b3d0db8d201fb0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF067 | 17756 bytes |
font_01_sfnt_off00011d6f.bindd83067eb133e7faa5eaf37ab1fe78ce06fcf953ed0f23962bc054b64bea50ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D6F | 16316 bytes |
font_02_sfnt_off0001333a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1333A | 16792 bytes |
font_03_sfnt_off00014b51.bin619fb6320e7978d1d7e8271ad63afe82f13aa55a6410084f545cf0eaadaf1453 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B51 | 10776 bytes |
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