MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised or disposable hosting, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. The presence of multiple PDF-specific heuristics related to URI and link farms supports this conclusion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://archism.ru/uplcv?utm_term=god+of+war+for+ppsspp+emulator PDF link annotation
- http://fantasymusic.it/userfiles/files/zoviwebipajag.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16132a64aaf804---tukewowumelaniluginuf.pdfIn PDF document text
- http://underbutter.cz/download/foto/40401527613.pdfIn PDF document text
- http://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/40912885367.pdfIn PDF document text
- http://www.jfac.kr/ckfinder/userfiles/files/kivupesakulav.pdfIn PDF document text
- http://ntvietnga.com/upload/files/69299025219.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/84115609979.pdfIn PDF document text
- http://matraholding.hu/images/userfiles/files/38089595235.pdfIn PDF document text
- http://arci-mp.fr/admin/File/kesodagakelokipagib.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/fevegex.pdfIn PDF document text
- https://excellencetogether.com/img/files/file/19754141683.pdfIn PDF document text
- http://school15-tyumen.ru/f/3036357325.pdfIn PDF document text
- http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/tudanebe.pdfIn PDF document text
- http://www.iece.in/userfiles/file/40690119641.pdfIn PDF document text
- http://mega.kz/media/upload/files/92062893822.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/800d5540455d56e6b56cf540781b97a0/xodugo.pdfIn PDF document text
- http://kssi.ir/public/userfiles/file/zejefu.pdfIn PDF document text
- https://baoyi-chuck.com/ckfinder/userfiles/files/91314241205.pdfIn PDF document text
- http://www.facyt.com.ar/ckfinder/userfiles/files/pujawexe.pdfIn PDF document text
- https://ahha.az/userfiles/file/gemosukawa.pdfIn PDF document text
- http://manuale.aziendasulweb.it/userfiles/files/sikag.pdfIn PDF document text
- http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/6237506430.pdfIn PDF document text
- http://launensia.cz/ckfinder/userfiles/files/rudivozuzedubofesupoxor.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/caf7f5818814a44139bb273c98b42bc4/segazabugemanejesoxi.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_off00010151.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10151 | 18328 bytes |
SHA-256: a129b479471cab1f3486e69ab0885669178eb76e432e0560e49df808869aff1f |
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font_01_sfnt_off00013180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13180 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014997.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14997 | 10688 bytes |
SHA-256: 4638e6a1704c81b6f4a873e00ac480ecb94c4f5d70accaa2172e2b463fe9aba1 |
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