MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://crewmak.ru/uplcv?utm_term=photo+editor+phone PDF link annotation
- http://keralastatetailorsassociation.com/userfiles/file/37131489025.pdfIn PDF document text
- https://barcelonacentromedico.es/files/galeria/files/kepisamubujubi.pdfIn PDF document text
- https://doublehaircenter.com/upload/ckfinder/files/mizevavu.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/5d2jdqeig677i72ohmraa7os44/84716447295.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161427b19c3828---65797236375.pdfIn PDF document text
- http://cuathepvangohaiduong.com/images/ckeditor/files/jokobanemerulu.pdfIn PDF document text
- http://giteduguedesboires.fr/userfiles/file/sinufuxaso.pdfIn PDF document text
- https://jaurrieta.net/USERFILES_JAURRIETA/files/16880077842.pdfIn PDF document text
- http://eshop-kocicinadeje.cz/files/file/87685097093.pdfIn PDF document text
- https://kccegis.com/upfiles/content/file/20210912123607.pdfIn PDF document text
- http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/9391968004.pdfIn PDF document text
- http://revize-elektro.info/UserFiles/File/xumik.pdfIn PDF document text
- http://docando.es/js/ckfinder/userfiles/files/fefewikorasugoj.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139fda47be71---10812408642.pdfIn PDF document text
- https://taucaotoccatba.vn/images/news/files/9958218977.pdfIn PDF document text
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/98684401474.pdfIn PDF document text
- http://vejwun.cz/images/24201555333.pdfIn PDF document text
- http://pantipplaza.com/userfiles/file/29004390809.pdfIn PDF document text
- http://prota.ru/upload/files/tepawuwu.pdfIn PDF document text
- http://fotostudiovaccari.it/userfiles/files/6868982389.pdfIn PDF document text
- https://monyetmesum.com/contents/files/36998312570.pdfIn PDF document text
- https://detskeihriska.eu/ckfinder/userfiles/files/wumaxivediwemipogafoj.pdfIn PDF document text
- http://www.bash.cl/media/file/kakasulinilikidimuwes.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_off0000dabd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDABD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CF | 17396 bytes |
SHA-256: 38c39b861131d21ec9bb122c7482e3791e3a21ffd7be0fc5202572409edbbc8e |
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font_02_sfnt_off00011fb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB9 | 10116 bytes |
SHA-256: 8460ed5067e68b2c5e03f893be9738d4e1fa323f4822e577e177479bacd6a693 |
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