MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with several URLs pointing to compromised WordPress uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The embedded URLs suggest an attempt to redirect the user to malicious content, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://hz-kontejnery.cz/ckfinder/userfiles/files/zitajuko.pdf In PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/1f82999082bea63dc495bd6658500b0a/felodoxegobazoziluko.pdfIn PDF document text
- http://lemonsport.hu/upload/file/wedifinosilutose.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16144f3c434700---83429743961.pdfIn PDF document text
- https://naucharts.com/ckfinder/userfiles/files/zigowimilad.pdfIn PDF document text
- http://boardmark.com/files/file/fijogasazi.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/86181427450.pdfIn PDF document text
- http://www.mostenpo.jp/userfiles/files/josezovumiled.pdfIn PDF document text
- https://daaeportrett.no/upload/file/96169444211.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e70ef6ab74---daxetunejer.pdfIn PDF document text
- http://falcon.dk/sites/default/files/webfm/24011718622.pdfIn PDF document text
- https://autoroman-service.ro/imagini_ws/tonixilomibotadokel.pdfIn PDF document text
- https://acmfashion.vn/uploads/files/libotazebatodasugovedoki.pdfIn PDF document text
- https://ntct.dz/ckfinder/userfiles/files/8605050227.pdfIn PDF document text
- http://devison-matras.ru/upload/file/20905243308.pdfIn PDF document text
- http://ros-audit.com/i/up/file/33300152496.pdfIn PDF document text
- http://imobiliariaimperio.com/files/files/sozumagaduvarer.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/files/depuresotigoxatolorojo.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/44ksq776t6vmd4s2ktprhdgvs3/kitiperudifikomagaj.pdfIn PDF document text
- https://parvazyab.com/basefile/api203/files/24608380186.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161332e2c8ae11---92497582673.pdfIn PDF document text
- http://turhantur.com/turhantur/files/30133146308.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/56051740092.pdfIn PDF document text
- http://kowel.com/ckfinder/userfiles/files/1630530214.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=android+factory+settings+passwordPDF link annotation
- 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_off0000c09e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC09E | 10932 bytes |
SHA-256: 005b3e78d3080c6a9d7628f71100e5766c6b6d15aa4178f149819db7eccae694 |
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font_01_sfnt_off0000d9fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f20f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20F | 18220 bytes |
SHA-256: 98ef3c24c8d2d8e6ebbf04897e138c59f86740fc344914da807403f18630cb19 |
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