MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristic analysis revealed that the PDF contains a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution lure. The presence of multiple external URIs, including one with a 'download' term, further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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=download+modern+combat+4+mod+apk PDF link annotation
- http://sure2trips.com/bot/ckfinder/uf/files/zokijasu.pdfIn PDF document text
- http://tidomusica.com/uploads/files/202109031621129964.pdfIn PDF document text
- http://tfforming.ru/d/files/zarokefetit.pdfIn PDF document text
- https://haisanquangninh.org/data/dulieu/files/86634152847.pdfIn PDF document text
- http://fuerst-architects.com/uploads/file/paruzegopoduvowokirabelin.pdfIn PDF document text
- https://es21sys.com/userfiles/file/39017687298.pdfIn PDF document text
- https://nvsrolko.org/ckfinder/userfiles/files/49189437961.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xominosupojifedes.pdfIn PDF document text
- http://primaria-ciocirlia.ro/media/file/35262251664.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/e4dc8f0d195a2e88557b26affcea4921/mosubumakuwotad.pdfIn PDF document text
- https://www.stock2morrow.com/ckfinder/userfiles/files/zaruxokasobolobuwipobofi.pdfIn PDF document text
- http://mylivediamondinventory.com/uploads/files/70692690820.pdfIn PDF document text
- http://biolabsrl.org/userfiles/files/85370569596.pdfIn PDF document text
- http://opersan.com/file/80459512831.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141fa9827878---wukozulolikigazefapuwatur.pdfIn PDF document text
- http://llux.vn/uploads/files/kijajagolimiwidoresas.pdfIn PDF document text
- https://resicolor.com/upload/files/faresalikusixugarom.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16142a507546d9---50175506806.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/80535651281.pdfIn PDF document text
- https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/riwarupegilijotunogod.pdfIn PDF document text
- http://www.heksan.com.pl/file/rozafarusokanu.pdfIn PDF document text
- https://repetitorebi.ge/userfiles/files/53881163009.pdfIn PDF document text
- http://fkm-lux.by/var/upload/file/44262468706.pdfIn PDF document text
- https://apc-algercentre.dz/ckfinder/userfiles/files/79252403555.pdfIn PDF document text
- https://rlmahtani.com/userfiles/files/luwonetisusi.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_off0000e35b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE35B | 17996 bytes |
SHA-256: 831b4dff29839e6a9025b9dc8004b570741e3089338de931ff29b07bcd1c4c87 |
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font_01_sfnt_off00011214.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11214 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A2B | 10812 bytes |
SHA-256: 31675b8bb299ce5c8b18549cccc106239d6736996ec71701963d000dc9583e36 |
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