MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features numerous external URLs, many of which point to compromised WordPress upload directories, suggesting a link farm designed to distribute malware or lead to phishing pages. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/5fc414a0f257d060ace5d119887ac7c9/47888308003.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/59a87961a3889e86944f2cbb7b06a055/xerabisepukaritorisozuzi.pdf
- http://sure2trips.com/bot/ckfinder/uf/files/25872890035.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/c10adf68002be8839e308cce71f09974/80708523253.pdf
- http://technoauto.jp/js/upload/files/7807059816.pdf
- https://windsbs.biz/files/file/18288696813.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/ba0154358a11eb1e4e902741edb6cefb/petasetovuleluvoguludo.pdf
- http://www.amedna.com/userfiles/files/faliwusuwatiniludesuf.pdf
- http://copy2d.com/ftp/image/file/zegokevelegatuzob.pdf
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949c08d8c32---19852054887.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/f0737fbd044f26b6a6d8ebba245f3028/88062557583.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16083652d5356f---pinuruxes.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/iuka9v7tbv76097i5t80640vq7/80096452217.pdf
- http://dienlanhtruongson.com/upload/files/72128362087.pdf
- http://alkanboya.com/files/file///xerej.pdf
- https://www.channeloflove.com/ckfinder/userfiles/files/22413856106.pdf
- https://fullgame.hu/uploads/files/xazalotukokigawarajuzoxo.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a3dd01dfd---94616248525.pdf
- https://principesgs.com/userfiles/file/papaluvarenawuzup.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f1b96bee06a---97726260098.pdf
- http://taxicityplus.ru/userfiles/file/jatinib.pdf
- http://applexin.com/ttpsea/files/file/95176849508.pdf
- https://chatsystem.site/js/ckfinder/userfiles/files/wekololisukifepezilij.pdf
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/edd939523e0d9ddff4e2478fbde8f3b7/gavibulusurekodun.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/d9e3f9c76f2acb2f68aec6c411f4035e/51386892006.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=low+mchc+meaning+in+blood+test
- 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_off0000ea4e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4E | 16792 bytes |
font_01_sfnt_off00010260.bina136961ea790c190fb5e5b334ab8dc25a319a544957b51af2247073effbd3a35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10260 | 16112 bytes |
font_02_sfnt_off00012bf8.bin774530f84ea0af6c9e26c68000a8581e6f2563134b83c593b88f6ef98ac77f77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BF8 | 10900 bytes |
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