MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several pointing to compromised WordPress upload directories, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or SEO manipulation through compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/bef25a93756b3177ec6b61b24dd6cfc0/23271295619.pdf
- https://deltagroup.bg/uploads/file/vebabizezasowun.pdf
- http://phuquytravel.com/nguyenvanlinh/files/55794549780.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1608492b5a306a---temokiki.pdf
- http://www.yemany.com/yemfiles/files/69676635358.pdf
- https://vildmarksjagt.dk/userfiles/file/15700710796.pdf
- http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vanuboxewe.pdf
- http://madmojo.com/fckupload/file/dewadibumebarapugapob.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f9ff4a909a---tekunileka.pdf
- http://www.mearesandassociatesllc.com/siteuploads/editorimg/file/netiminadilafesexelux.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/b520bd030b038cc4164b624c1e75d4d8/60071088328.pdf
- https://bulgariapools.com/contents//files/33740680110.pdf
- http://artpolyclinic.com/file/files/juxowu.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b16e45355fc---724301230.pdf
- https://blsautomation.com/ckfinder/userfiles/files/25177807947.pdf
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92557267004.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/r9n5c8b4g14bd83m7550g7ts33/vewikizokefativ.pdf
- http://bright-mineral.com/uploadfile/file/2021063003481895.pdf
- http://sl-light.ru/design/img/upload/file/88899454440.pdf
- http://imaginove.eu/data/Files/31329961654.pdf
- https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/47251282692.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160eca0d97e86c---11047150500.pdf
- http://tareeapartment.com/user_img/files/73276794560.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=where+to+get+a+driver%27s+handbook+near+me
- 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_off0000e99d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99D | 16792 bytes |
font_01_sfnt_off000101b4.binc3a5c39be4323c1d24424aad42f6902041b381ba027c7c0678a9d8f4bbe88408 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B4 | 10972 bytes |
font_02_sfnt_off00011ae2.bin2910eff06b93462d2aa324b41efbdd9abefb60e86c0b0b3a4be82200f9623c75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AE2 | 17640 bytes |
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