MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs that act as a link farm, directing users to various external websites. Several of these URLs are hosted on compromised CMS uploads or disposable hosting, indicating a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://inwebjor.ru/uplcv?utm_term=free+list+of+cvce+words
- https://mcrlclient.com/ckfinder/userfiles/files/mamifonebegizenadu.pdf
- https://clubelsendero.com/img_pag/file/budagazizoxav.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c600020981f---98669616438.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/1h3vpe7fp6kv0a59velvm2ad6u/voren.pdf
- http://haki.vn/uploads/files/66165791150.pdf
- http://www.ecvbrass.ch/user/web/file/jiwanobowolezozu.pdf
- http://www.abcklima.hu//data/editorfile/37496457876.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/24cbcffe2f5c38c122f80cf7a9525509/voguwogotoxumilalat.pdf
- http://synergytaekwondo.com/click2buy_newp/userfiles/file/28592885078.pdf
- http://xn--o79av69abka850ab6c.com/upload/file/202106280831186487.pdf
- https://aldapa.eus/files/galeria/files/redulib.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160720b0dc4c7d---zuzuvum.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160987aca74fce---bivexikibelubo.pdf
- https://allcreaturesinc.com/files/files/33389719116.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/3e710db7ab1acc592a90062f17633a88/25135975777.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b872b08c52f---pisodorewebofagigav.pdf
- http://eastcoastbiker.de/sites/default/files/file/6956111571.pdf
- http://rollfactorytogo.com/uploads/files/rawutamelogulizi.pdf
- http://abogadosaguilar.com/ckfinder/userfiles/files/monozixatodijisadobelafi.pdf
- https://ohcsi.com/ckfinder/userfiles/files/38259893891.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/87a02d46c5b02fa85f2c6ad4186aad31/wazepilojuvak.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_off0000eba6.bin2d3f6a8e12cecbafc4ed318f55e159d4f858f4898dd90da9c02b3cbaeb8f775e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBA6 | 17388 bytes |
font_01_sfnt_off00011907.bin3fcb8bd22346683b3de7de75806a6f2ac724e669f7e19a3fc2ddabf8fef6887b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11907 | 10332 bytes |
font_02_sfnt_off0001307d.bin7d15b2d6d265aaca51dda18faee70a1b8fa9d95ed54cb111fb0895789092f9ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1307D | 16312 bytes |
font_03_sfnt_off00014688.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14688 | 16792 bytes |
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