MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the overall structure indicate an attempt to deliver a malicious payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://chcial.ru/uplcv?utm_term=shahezad+kazi+bandharan+book+pdf PDF link annotation
- https://buka.ru/sadm_files/bopudatofidalodojuxowe.pdfIn PDF document text
- https://rais.bg/uploads/file/84854296726.pdfIn PDF document text
- https://tomaszbizon.pl/web/uploads/files/varolefibi.pdfIn PDF document text
- https://traicaygiasi.com/Images_upload/files/73033668236.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/nalugefurewogikidukok.pdfIn PDF document text
- http://carrasvilla.es/uploads/files/74887866959.pdfIn PDF document text
- https://bongkartuantakur.com/contents/files/roxuregadamepejovobipax.pdfIn PDF document text
- http://klm-co.ru/foto/ck/files/61610686084.pdfIn PDF document text
- http://ainut.fi/userfiles/file/24712871596.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b59a69ea56---68562110748.pdfIn PDF document text
- https://mimpishio1.com/contents/files/zitazolovesaligar.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/58539256098.pdfIn PDF document text
- http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/51495403511.pdfIn PDF document text
- http://www.77ice.com/upload/files/28543132513.pdfIn PDF document text
- http://abwhopewell.com/uploads/files/62985346810.pdfIn PDF document text
- http://www.sun-green.eu/ckfinder/userfiles/files/94016703942.pdfIn PDF document text
- https://serka.com/serka/upload/files/gogozajuguvivugelejidugef.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/161505e11e6232---wubimujegibetojiwafet.pdfIn PDF document text
- http://euro-ex.net/images/blog/file/malujogepob.pdfIn PDF document text
- http://easyliveconstruction.com/ci/userfiles/files/kapem.pdfIn PDF document text
- http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/25871491295.pdfIn PDF document text
- http://alatasfilms.gr/ILC/img/file/sofumotexum.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614a013855ad3---boxekozanewogodej.pdfIn PDF document text
- http://zartmobilia.com/userfiles/file/20210913191918.pdfIn PDF document text
- https://novitas.ro/files/93260284549.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_off0000b456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB456 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC68 | 19236 bytes |
SHA-256: d2de329600dcdc1a5df6f1bbdcb56fa33a02b7a35f90e8da9c471cc8c6713e1e |
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font_02_sfnt_off0000fe88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE88 | 10652 bytes |
SHA-256: 70a7dcaacc2c4b375955e1517e9faba21770542b913f7f7535ed13f5afaa709a |
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