MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs that function as a link farm, directing users to external websites. Several of these URLs point to compromised WordPress upload storage, indicating a potential distribution point for malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojanized document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://infrive.ru/uplcv?utm_term=the+walking+dead+webisodes+torn+apart+watch+online PDF link annotation
- https://rent-1.es/ckfinder/userfiles/files/tapuzodegijajejedur.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/555984466.pdfIn PDF document text
- http://wonderful-foods.net/userfiles/file/93608896566.pdfIn PDF document text
- http://akiisushi.com/uploads/files/nivebasikasumitov.pdfIn PDF document text
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/taxelatoloremogimeg.pdfIn PDF document text
- http://good163.cn/Uploadfiles/files/tabomemajera.pdfIn PDF document text
- http://sevvalturizm.com/rsm/files/tisunugamolazufotobotubol.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/jusimapupe.pdfIn PDF document text
- http://tsuiteru66.com/userfiles/file/xozopemudejusamosomiguw.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ea1fe4e8d---zowofujomaropoxobake.pdfIn PDF document text
- http://www.farmaciapenil.es/userfiles/files/10614426326.pdfIn PDF document text
- http://clubselectionvoyages.net/images/file/tusomeno.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/62c3c60e5cdf98bede8aa9098882164f/44673091173.pdfIn PDF document text
- https://bmw-zona.ru/uploads/file/57808475828.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/bab8f543af0188c13bf5123a33bc89d9/wanabinebekoresosusut.pdfIn PDF document text
- https://i-intelli.com/ckfinder/userfiles/files/76514215409.pdfIn PDF document text
- http://reicar.dk/userfiles/file/77762129298.pdfIn PDF document text
- https://gullyracing.it/admin/ckfinder/userfiles/files/juxagijurowirakano.pdfIn PDF document text
- http://botaierpharm.com/upload/files/bidijuv.pdfIn PDF document text
- https://copab.tn/216mag.svn/uploads/files/25942968440.pdfIn PDF document text
- http://saaretravel.ee/images/file/65509736126.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/99650707873.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_off0000f2a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A8 | 11076 bytes |
SHA-256: ebcc9b910350ee7ddd56f9684cb697db7b29159fd8d5df6110434033684ade17 |
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font_01_sfnt_off00010c04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C04 | 19136 bytes |
SHA-256: 09441571d79bde434c2ece61fea39fde5c2383fa99891bdf2dac18b5c9512241 |
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font_02_sfnt_off00013db6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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