MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised or disposable hosting domains, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically identifies the pattern of using link farms on disposable hosting, suggesting a deliberate effort to obscure the final destination or spread malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://khonggiansangtao.com/platformecom/img/upload/file/50034188998.pdf In PDF document text
- https://campfun.myhost888.com/upload/ckeditor/files/7355478255.pdfIn PDF document text
- https://2ruoteexpo.it/ckfinder/userfiles/files/6638003481.pdfIn PDF document text
- http://savytrading.com/userfiles/file/63383535128.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/599976b24971e41620c55abe454cafa1/45247325950.pdfIn PDF document text
- http://gtlmarinefuel.com/userfiles/file/gisari.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/miwibapejabanelux.pdfIn PDF document text
- http://jenan.com/ckfinder/userfiles/files/verojomasatuvulesijaga.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/niruboz.pdfIn PDF document text
- https://ichapps.com/ichapps/ckeditor-ckfinder-integration/uploads/files/kosekopuwovanod.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1614e2e2b64f6d---vinimodiligigazela.pdfIn PDF document text
- http://vocal.bpv.su/content/files/files/44757931085.pdfIn PDF document text
- https://afra24.com/basefile/afra24/files/keniwebomavizi.pdfIn PDF document text
- https://client-sms.com/ckfinder/userfiles/files/30431691859.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1615acaf55e9d2---xaken.pdfIn PDF document text
- http://pnlestari.com/visitbali/image/files/73782722867.pdfIn PDF document text
- https://tskrea.com/userfiles/file/sagapazususorupa.pdfIn PDF document text
- http://dsfly.com/uploads/files/51616470410.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614e0c223b63b---tawinejogilomesezovoba.pdfIn PDF document text
- http://wasserentkalkung.at/ckfinder/userfiles/files/96316370784.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/161593c6d762e2---80195378533.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=signs+of+gout+in+kneePDF link annotation
- 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_off0000d164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD164 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e97b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE97B | 10348 bytes |
SHA-256: 64e979e95fc38dbfdbbce9cae3123e86564efdeaec896d38c23fe462fdb38308 |
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font_02_sfnt_off00010103.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10103 | 18420 bytes |
SHA-256: b9f1846c74bd01ae8e2d8cb5c321558c6eb162c22dd31b74459963bad6a85110 |
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