MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external links, many of which point to compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The embedded JavaScript likely facilitates the redirection to these malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://synerhu.ru/uplcv?utm_term=get+gps+coordinates+android+java
- http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/91625629417.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132f1a1ae13c---satexozotiz.pdf
- https://tommytest.dish1314.com/data/html_editor/files/zapemiwinewazavupemoj.pdf
- http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/34912500695.pdf
- http://grgct.com/ckfinder/userfiles/files/89013130267.pdf
- http://tarp.longi.tw/uploadfiles/62423603091.pdf
- http://yilbasipromosyonu.com/userfiles/file/22708442494.pdf
- http://aviapartner.biz/js/ckfinder/userfiles/files/xizitaxotiz.pdf
- https://mmszke.hu/files/file/67959891116.pdf
- http://shengyaweb.com/uploadfile/file/2021092113145084.pdf
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/bixorokadisevavenopaz.pdf
- https://kiaavcilar.com/upload/ckfinder/files/giliwaguzedefozuduva.pdf
- https://alpinashop.bg/files/woreweso.pdf
- https://chezgregoire.fr/userfiles/41816798949.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f8df423293---tibilarajoxigu.pdf
- http://china-zub.ru/userfiles/file/linez.pdf
- http://schodylux.pl/userfiles/file/givivuxirisifejo.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bb3842a52---rijelemedinisigum.pdf
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/33101739562.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16139a432c6dde---1056932166.pdf
- https://drjou-vc.com/upload/files/71100448919.pdf
- https://jmtours.co/aym_image/files/89729241212.pdf
- https://dental-essence.com/admin/userfiles/file/67819592195.pdf
- http://flyingwedge.com/uploads/assets/file/febuzosaguwuzepijerefed.pdf
- http://altiro.nl/home/tjerk/file/nuwiwafedewarixosubupo.pdf
- http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vexitidejori.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_off0000b1d8.bin075e12be009094163b0ad334faaf0a2fc46ff39732cfce69b1d7e5eb82f272c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1D8 | 10876 bytes |
font_01_sfnt_off0000cae5.bin96ae6862f2a97163991fb6370d7aae801529ad92e81705f7826b4e4b1895fc99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAE5 | 15940 bytes |
font_02_sfnt_off0000f3d7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D7 | 16792 bytes |
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