MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of creating link farms on disposable hosting, suggesting a phishing or malware distribution campaign. Although no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://crysiq.ru/uplcv?utm_term=cara+menghubungkan+stik+ps3+ke+android PDF link annotation
- https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/mixanafolojapovilajize.pdfIn PDF document text
- http://shop-exclusive.cz/userfiles/file/bubatitafubidadudejos.pdfIn PDF document text
- http://alocainghien.com/uploads/userfiles/file/57572231601.pdfIn PDF document text
- https://adverto.ee/userfiles/file/48197444365.pdfIn PDF document text
- http://etcpremium.com/userfiles/files/81775701721.pdfIn PDF document text
- https://mr-alian.com/upload/ckfinder/files/povobibufej.pdfIn PDF document text
- https://namdolove.com/FileData/ckfinder/files/20210902_950BA765EF78F67A.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/75a9f4f1a62e02ab39cd809acc75448e/82610277358.pdfIn PDF document text
- http://aptekadc.pl/userfiles/userfile/53370952109.pdfIn PDF document text
- http://msnladyboy.com/ckfinder/userfiles/files/xedokewavabepo.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316fe228a82---80722236283.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/ad220108dae67dce9c5c7ecf88c7a9bf/52833356430.pdfIn PDF document text
- http://baovephuongtroi.com/vietkiendo/upload/file/xipigaxopazilopabamumuxav.pdfIn PDF document text
- http://alothongtin.com/upload/FCK/file/tevasiredutidagibi.pdfIn PDF document text
- https://binarbaidrealestate.com/public_html/userfiles/file/wufotorigaso.pdfIn PDF document text
- https://www.vpn-solutions.com.pe/ckfinder/userfiles/files/95418893326.pdfIn PDF document text
- https://bachson.net/upload/file/sajowupujebovaditovajaj.pdfIn PDF document text
- https://scalping.ir/data/files/file/78443434250.pdfIn PDF document text
- http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/5837168738.pdfIn PDF document text
- https://mirrorlink.com/public/files/files/nosuverutuwujodukizokuk.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_off0000d6d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eeec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEEC | 11328 bytes |
SHA-256: f4f4efe12c0608769950e5a36c85087d29942a9e3429b0b76dd24855f06e9231 |
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font_02_sfnt_off000108fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FA | 16864 bytes |
SHA-256: 61333e51644aae66338641afab5caafe165c8632b0d0a84f6c4cfe26cc6be1ff |
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