MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF acts as a link farm, redirecting users to various external URLs, some hosted on compromised CMS platforms. These URLs likely lead to phishing pages or further malware downloads, consistent with a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://coretry.ru/uplcv?utm_term=come+thou+fount+of+every+blessing+mack+wilberg+pdf PDF link annotation
- http://www.fuchingrading.com/upload/file/kagilexixanuwozoko.pdfIn PDF document text
- https://tumujerrusa.com/userfiles/gopowovugus.pdfIn PDF document text
- http://veterina-naslunci.cz/userfiles/file/98155997788.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/5f7d409d6db172b7de3c15a1da88cc03/godenofunosaxijoxox.pdfIn PDF document text
- http://15441707.com/data/board/file/20210903212720.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613827a9abb76---ropapajojiteserafomute.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210903074922.pdfIn PDF document text
- http://fpole.ru/sadm_files/pidumoke.pdfIn PDF document text
- http://telek-trans.hu/editor_up/zojedipofafepezo.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/66556420179.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613010a3a570a---36934430543.pdfIn PDF document text
- http://webcertain.asia/contentupload/fckeditorUploads/organization_/file/winefojebaxapumefivew.pdfIn PDF document text
- https://kokomanis.com/contents/files/78905504884.pdfIn PDF document text
- http://bankerz.in/qpic/files/lufenizesezo.pdfIn PDF document text
- http://zenkatsu.dk/files/67475887913.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/f7ooa49s49ut55smcg9v6mfvn5/43983557329.pdfIn PDF document text
- http://korea-seals.com/ckfinder/userfiles/files/48596381211.pdfIn PDF document text
- https://yifff.se/userfiles/file/15450747684.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/13482304485.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/tevunoguzaguras.pdfIn PDF document text
- https://rovetco.com/userfiles/file/bedawuwuvegovafalutojenu.pdfIn PDF document text
- http://lngpetro.com/userfiles/file/86629054993.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_off0000c059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC059 | 11696 bytes |
SHA-256: 7cc70ee9b523ec5b2bd4f0cd0b105fc708eb03c796d0a6df60237eeae5bf5c20 |
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font_01_sfnt_off0000dbbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBBB | 17352 bytes |
SHA-256: 5d40d623466ad9c1f4af915d0a012acc36677e298e3230dec2f0ba2ca39a7a1d |
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font_02_sfnt_off00010922.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10922 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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