MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains or compromised CMS upload directories, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://coretry.ru/uplcv?utm_term=free+hd+games PDF link annotation
- http://falconltd.pl/cache/file/45178248723.pdfIn PDF document text
- https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/66803164098.pdfIn PDF document text
- http://headlinesdinerla.com/uploads/files/duwadajilojul.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/5490b2129aef4765f913b3adb7cf3471/1727144708.pdfIn PDF document text
- https://sainaudit.mn/File/97828889867.pdfIn PDF document text
- https://khyatiinfotech.biz/ckfinder/userfiles/files/68351207597.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/0f7043cd4976ad3f7d7332b92925d8ed/93303451772.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/ff5df0fd8htees9crkoe5pf442/67380719839.pdfIn PDF document text
- http://knipia.com/userfiles/file/walanotiw.pdfIn PDF document text
- http://savaksangida.com/resimler/files/vusopovabunirumokanowo.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/161300ebfe05b8---58141446047.pdfIn PDF document text
- https://petek.biz/resimler/files/timezonuperugejozoxoramuk.pdfIn PDF document text
- http://tuvantindat.com/uploads/2021-09-03/images/files/pisopudafapoborodewutile.pdfIn PDF document text
- http://abwcrainhwy.com/uploads/files/tulubatizu.pdfIn PDF document text
- https://tommytest.dish1314.com/data/html_editor/files/kakorepilinovenik.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/60449357866.pdfIn PDF document text
- https://acrgroup.nl/userfiles/file/gizevovikiwuto.pdfIn PDF document text
- http://www.firengo.com/userfiles/files/lakaxuramigiribe.pdfIn PDF document text
- https://hgindustrial.eu/userfiles/files/27977941940.pdfIn PDF document text
- http://aptekadc.pl/userfiles/userfile/54880785013.pdfIn PDF document text
- http://finance-bulldog.cz/UserFiles/File/67017054317.pdfIn PDF document text
- http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/78672047017.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b47e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB47E | 10212 bytes |
SHA-256: 7346b136b9182a5a640760d77fde2a3ba608f4329029703cc3393040c8671ed6 |
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font_01_sfnt_off0000cb1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB1F | 15536 bytes |
SHA-256: 241ae3f2d4843e56c17f3309316ba305d61ada76f3d47b101f8d46b30c5fd991 |
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font_02_sfnt_off0000f250.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF250 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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