MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of URLs, many of which point to compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://krisoc.ru/uplcv?utm_term=oceanhorn+2+free+download+ios PDF link annotation
- http://paulgraphics.paulsfashion.in/files/bikudonorevim.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/dexufilezirelifafuxa.pdfIn PDF document text
- http://mehmetrasimmutlu.com/icerik/file/setepesevu.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135b9912a8b4---wofuvivisido.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613eccfa1c52e---rexegajixawuj.pdfIn PDF document text
- http://misosmile.com/upload/editor/files/midubepetugatirulidugimi.pdfIn PDF document text
- http://infoegrafica.com/userfiles/files/45094218656.pdfIn PDF document text
- http://tw-tms.com/uploadpic/xw/files/sazijep.pdfIn PDF document text
- https://kenkochaya.com/user_data/ckfinder/files/dujutipuvotopilonava.pdfIn PDF document text
- http://gesundimjob.at/images/content/files/bifitimuvagiraga.pdfIn PDF document text
- https://durgabas.coop.np/ckfinder/userfiles/files/76216958387.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/jfv28t58p9gvj5513mklqve995/83456994208.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/55327282660.pdfIn PDF document text
- http://praguetransfer.com/files/file/22756204580.pdfIn PDF document text
- http://flathead.herosuite.com/userfiles/file/bogitibasupugetesu.pdfIn PDF document text
- http://scvumaichiramen.com/uploads/files/26397320390.pdfIn PDF document text
- http://falerisztika.hu/tmp/38416346283.pdfIn PDF document text
- https://songhong.info/userfiles/file/68106730648.pdfIn PDF document text
- http://uralcomservis.ru/crn_fls/crn_files/mefugokibol.pdfIn PDF document text
- http://eaas-journal.org/survey/userfiles/files/39448879558.pdfIn PDF document text
- http://enjoyisagenix.com/ckfinder/userfiles/files/tuzipejuwebotib.pdfIn PDF document text
- http://arucax.am/user_images/file/68951626131.pdfIn PDF document text
- https://butagallery.com/userfiles/files/12271427628.pdfIn PDF document text
- http://quaint-house.com/images/blog/file/48641642542.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_off0000de27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE27 | 10704 bytes |
SHA-256: 3a80811e3a1bf221cf46eb3836b6c3245125b689a9b794f3661ad5bb2ba2073e |
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font_01_sfnt_off0000f6c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010ed3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ED3 | 17596 bytes |
SHA-256: 4ae45c3e88604b74c6707a9a16889109297440e8d4d8b41e1b6a4b9b8be15157 |
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