MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier further support its malicious nature, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://huntic.ru/uplcv?utm_term=how+to+recover+corrupted+sd+card+using+phone PDF link annotation
- http://gyndoktors.de/ckfinder/userfiles/files/11507515022.pdfIn PDF document text
- http://www.skk.com.hk/admin/ckfinder/userfiles/files/xekasevojagevajilewoxupuj.pdfIn PDF document text
- http://pp-aqua.com/userfiles/files/fagosusavogusifad.pdfIn PDF document text
- https://wcfkenzi.com/ckfinder/userfiles/files/durotajigubad.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613978e1a7b7f---wotukugulivoz.pdfIn PDF document text
- http://manuale.aziendasulweb.it/userfiles/files/29254581255.pdfIn PDF document text
- https://sanruouvang.net/images/uploaded/file/sixalipi.pdfIn PDF document text
- http://dentalweek.eu/userfiles/files/movidugonejovabeko.pdfIn PDF document text
- https://fallahi-sch.com/userfiles/file/21361080297.pdfIn PDF document text
- http://partiaweb.com/upload/files/zajuz.pdfIn PDF document text
- https://motoquadro.de/userfiles/file/zekimiwazizugufizeladofe.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161466372474cc---tekenavetisojuvebagewab.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613316f34b244---53160402697.pdfIn PDF document text
- https://natyabio.com/uploadfiles/bozarokeka.pdfIn PDF document text
- https://shevtsov-art.com/uploads/files/wapape.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6d9388dfc---vimave.pdfIn PDF document text
- http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/69189136644.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c07e3dbb5---89273406321.pdfIn PDF document text
- http://rockbond-aac.com/id-admin/fckImages/file/6223214706.pdfIn PDF document text
- http://spzpoz-zdunskawola.pl/upload/file/mubopu.pdfIn PDF document text
- https://enilubricantvn.hoakhanh.vn/uploads/image/files/91344854247.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/silitilosozirizegisepo.pdfIn PDF document text
- http://wingmanplanningdemo.com/userfiles/files/22324135263.pdfIn PDF document text
- http://erfansari.ir/ckeditor/files/files/lolifukirifafa.pdfIn PDF document text
- https://winstar-tools.com/UserFiles/editor/file/63675847055.pdfIn PDF document text
- https://palezieux.com/ckfinder/userfiles/files/vezetutivewumuxufazoru.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_off0000b283.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB283 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA95 | 15240 bytes |
SHA-256: cb174acacc4056f74e3e8b0a65d042df8f7d54d56fb3661b2c1ec2ac4c1b2034 |
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font_02_sfnt_off0000f13e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13E | 10988 bytes |
SHA-256: 9667d2d7f967aeab0492c863baebaf20f518316e7972afed548d8d2e09220b95 |
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