MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to compromised websites and disposable hosting, forming a link farm. These URLs are likely intended to redirect users to phishing or malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, consistent with a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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://ketchas.ru/uplcv?utm_term=pdf+sigmund+freud PDF link annotation
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e75adcd429---87733375541.pdfIn PDF document text
- http://www.nagsa.es/ckfinder/userfiles/files/17387217786.pdfIn PDF document text
- https://getracemirates.com/userfiles/files/wumuzawinujevolog.pdfIn PDF document text
- https://lenaoyunlar.com/calisma2/files/uploads/68852595208.pdfIn PDF document text
- http://naturenhuman.com/app/webroot/userfiles/file/losedazixegifo.pdfIn PDF document text
- https://thaiahpa.com/flash/files/46360358218.pdfIn PDF document text
- http://nanouklid.cz/upload/file/jemamibutejilagakaxadoj.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4f91af498---funebizok.pdfIn PDF document text
- https://orig-shop-gsm.ro/ckfinder/userfiles/files/kanilowelafejagavepevave.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/50806981260.pdfIn PDF document text
- https://perfectsextherapy.com/public_html/userfiles/file/sobejefoxo.pdfIn PDF document text
- http://collectifff.be/imgdb/accueil/files/37529107491.pdfIn PDF document text
- https://wickedcheesy.com/images/file/51400571406.pdfIn PDF document text
- http://glampingcaravan.com/userfiles/file/20210904000104.pdfIn PDF document text
- http://tivatijapan.com/uploads/userfiles/file/43692127947.pdfIn PDF document text
- http://cka-shiba.com/ckfinder/userfiles/files/47123470006.pdfIn PDF document text
- http://qualityspices.in/ckuploads/files/24974064736.pdfIn PDF document text
- https://olivierdaulte.com/ckfinder/userfiles/files/liduwoxadomuxubapajujur.pdfIn PDF document text
- http://haiqi-machine.com/d/files/zetos.pdfIn PDF document text
- http://dayuntang.com/assets/uploads/ckedit/files/20210912170602.pdfIn PDF document text
- https://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/23485602700.pdfIn PDF document text
- https://nhahangphongcanh.com/uploads/files/bikik.pdfIn PDF document text
- http://saothienemb.com/uploads/images/files/reguwikozilesetexelusaz.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/d0bb82c29505d7cc4293eea0e31f20ac/62499724916.pdfIn PDF document text
- http://erh-hu.com/userfiles/file/kalolutezu.pdfIn PDF document text
- http://hightopeducation.com/cms_uploaded/file/lazivada.pdfIn PDF document text
- http://compsult.net/userfiles/file/31308658580.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_off0000c149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC149 | 10372 bytes |
SHA-256: f1e390a77c0924c9a770c901627e18db32f94eaed595b90b6ca69a6423fac42d |
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font_01_sfnt_off0000d875.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD875 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f087.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF087 | 20308 bytes |
SHA-256: 90b5b518dd56d270d3d7a44108a237d7aa694e63cf8cf95fa9b817af3c29a94a |
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