MALICIOUS
164
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 an embedded JavaScript stream and a large number of external URIs, many pointing to compromised or disposable domains, suggesting it is part of a phishing or spam campaign. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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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://garglob.ru/uplcv?utm_term=teonanacatl+libro+pdf
- https://rajatotogroup2.com/contents//files/wabezigunitivizogaba.pdf
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/e466fca584cfc554cbc8217839568a87/17118501700.pdf
- http://laboratoriodiprogettazione-ve.it/userfiles/files/lulodadu.pdf
- http://lenosada.sk/editor_uploads/files/fudedasiwetelitosawirife.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607515c866617---faruxixofibuxulo.pdf
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/2asj6urbr7v8j02grjjastf2p3/38754965032.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/d77c38d6da487ff4c0f1dba74cbc9346/99383861788.pdf
- http://cka-shiba.com/ckfinder/userfiles/files/juxowegutirosadekosufopi.pdf
- http://wang023spa.com/userfiles/202108file/2021080110092970554.pdf
- https://kingwrapcarspa.com/upload/files/xolavewolarubexe.pdf
- http://taxilitomerice.cz/ckfinder/userfiles/files/gogumagapej.pdf
- http://bkht.vn/userfiles/file/78968899406.pdf
- https://carlojans.com/cms/file/89928855812.pdf
- http://devveb.net/userfiles/file/14996208931.pdf
- https://santa.sg/images/users/00000000/files/midevagaxaziliduvitutota.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ada7cfaae5a---rapedobobazalu.pdf
- http://jhdjt.com/images/upload/File/96251838300.pdf
- http://nkmate.com/FileData/ckfinder/files/20210726_BB5AE568005F56E6.pdf
- http://gitishahjahanpur.org/ckfinder/userfiles/files/58364217000.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16072b59bc319d---95516769956.pdf
- http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/89282565585.pdf
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/3e1cdb1301ecb384dcfbff02f5294b64/57593798107.pdf
- http://mmbc.cz/_data/user_files/file/93917377555.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160c2fb7ac7850---janoga.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc1f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC1F | 16792 bytes |
font_01_sfnt_off0000e436.bin8c8eb3ad2bb12e4ec4951acaaf095588a7f256de669d15b3c8e0ee5bea33c83e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE436 | 10548 bytes |
font_02_sfnt_off0000fc1e.bin92cde35cf3b4cf4b445a19e0ac8f55ac54e170ca45cf951dd746925fb591f3c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1E | 18244 bytes |
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