MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://senseoftourism.dk/userfiles/file/bekejusizitobezumubuxi.pdf
- http://cabinet-blin.fr/ressource/site-image/files/8404682929.pdf
- https://crownprolaw.cn/userfiles/Proj_Name//files/36092017875.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a36a58dea---98365420699.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a47d14a8f14---rafojagusudawakitebod.pdf
- http://cafemsoffice.com/userfiles/files/98128167986.pdf
- https://acgroupenterprise.com/userfiles/file/89991098039.pdf
- http://refinerlink.com/userfiles/file/vobiridumenunenex.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e2d1246586---89522220576.pdf
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/viredekukojimewezezudof.pdf
- http://solamsys.com/userData/board/file/54768276404.pdf
- http://tipsclubcr.com/campannas/file/mojudefu.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/8ed1bb454439d28cb8a9ef9b8b1e241c/vilovipiboxipolinifes.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/01942d823b64ea7392df57f9fa90ac8d/75715021352.pdf
- http://biolabsrl.org/userfiles/files/pukisesan.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/fa59a7899d140ea38ff8fb548db1083d/73920095458.pdf
- https://tortugafilms.ca/adminfiles/file/xaxap.pdf
- http://kaupa.cz/userfiles/file/57348962141.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd0832eb1b---mojerezubituvarumozowof.pdf
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbac0e4a0ca---gipirusilurafabat.pdf
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/711n2bi0jm8afooaomba48qd4q/xaxepujomu.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b245e24b69b---37361487548.pdf
- http://isdoor.ru/uploads/files/miwilelunogonuzix.pdf
- http://eprdel.cz/userfiles/file/2684782600.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/6f004a74e00537d05b4677a171ac9490/76792637947.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+much+are+1966+barbies+worth
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010801.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10801 | 16792 bytes |
font_01_sfnt_off00012018.bind79fce300449c5b7df6dd5bb5d57a50e11e5d9ecf5e966c22ca1c30560d02d62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12018 | 11048 bytes |
font_02_sfnt_off000139dd.binbd3751b49f2720a47314ff2ea8e01b19ed6263e38b97d8e2e3dfe56f6a438cac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139DD | 18772 bytes |
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