MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories or are hosted on disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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://crysiq.ru/uplcv?utm_term=trouble+in+tokyo PDF link annotation
- http://keralabiblesociety.com/fck_uploads/file/geloduxovixikekisam.pdfIn PDF document text
- http://nkmate.com/FileData/ckfinder/files/20210831_198AF7F07BB5CF28.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/rezuwixikigenukikut.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/35951986463.pdfIn PDF document text
- https://samarpanbharat.org/trila/userfiles/file/39127011765.pdfIn PDF document text
- http://cariboohose.com/userfiles/file/51980549495.pdfIn PDF document text
- https://andhimazhai.com/images/files/6817864807.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/53fadcad08070bedee05c611a4ccdc9e/40807026319.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b1bddb4ec96---wujirabovus.pdfIn PDF document text
- http://skyline64reunion.com/clients/e/ec/ec378541aa9b73e2b99de5ca5545ec21/File/27743226164.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baacec2c1a9---dusim.pdfIn PDF document text
- https://guijek.com/userfiles/file/vemafiwanuxipafog.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/b29c890f467c9b2efd86a3f417ed9875/daxiji.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/8e442213700124f0b9d1a0dae1afc2ea/xigumi.pdfIn PDF document text
- https://kompaspt2.com/contents//files/24915550766.pdfIn PDF document text
- https://www.elguantedeoro.es//ckfinder/userfiles/files/94519120227.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/11627835473.pdfIn PDF document text
- http://moriefrusca.com/userfiles/files/13048887801.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075dc39e7911---2188663152.pdfIn PDF document text
- http://atreve.eu/ubezpiecz/obrazy/file/93806313332.pdfIn PDF document text
- https://t2sc.me/userfiles/fobidugamujixelugikititu.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c358b8413a---fisiwasopituxido.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/dd7fac84d5d32f1ceb90e67ed799a77d/27285851518.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_off0000b6dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6DD | 10180 bytes |
SHA-256: 05eb82e3b4fc1880712e9b82f58c7c944e2c40d3e35654b05304c4b3ae6a780c |
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font_01_sfnt_off0000cdca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDCA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e5dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5DC | 16592 bytes |
SHA-256: 05b8e8df61966c5a85f058d5cbd08e733e3819f1559aff68ed5f3aed2855cad0 |
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