MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to lure users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/7fcddb745c2ee135aa02d1cb4b5c3373/63809038370.pdf
- http://candientuvibra.com/images/file/32353915779.pdf
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a79c79ea765---13861758202.pdf
- https://aulacvn.com/upload/fck/file/86682211100.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/8f534df3f794ddef7ce8b3135d4f896b/15323820441.pdf
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0dad617539---46850552061.pdf
- http://espacioschillout.es/images/admin/file/422081524.pdf
- http://www.hydro-tg.pro/upload/file/70413876960.pdf
- http://alexanderjamesbackcatalogue.com/userfiles/file/fomadulo.pdf
- http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/75834836681.pdf
- http://gtshotel.it/images/file/jijitigeretanupov.pdf
- http://cesishotel.lv/res/wysiwyg/file/sifekudogobaj.pdf
- http://doks-films.com/pcms/content/file/36385221477.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609e64e902302---fotusabetunisuloj.pdf
- https://icbacademy.com/upload/files/55313931013.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/q0uhr0hdtrjmvdjdnl5co98u3n/75284395480.pdf
- https://clickkedai.com/userfiles/file/nasikuvarofefolofosiv.pdf
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/0a8f6d7185dcf9fcb4673a23c37d0b83/zilelanu.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/omv6a867vmi93evg8g25k2o5ti/35667266098.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/b7b87c868edaf38886546e4ecb9e16b1/jidibu.pdf
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/10046008980.pdf
- http://czdashan.cn/uploadfile/file/2021060319455373499.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=frog+to+eat
- 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_off0000f2c6.binbe32a2ccd01cc287700da5f51b4266b1de632d918a354ba11a666c37dfa37a4d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C6 | 18252 bytes |
font_01_sfnt_off0001227a.bin57331fdd6f82976426f532397ef2f0046b133a048016a55f35fe502f8632ac0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1227A | 9848 bytes |
font_02_sfnt_off00013841.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13841 | 16792 bytes |
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