MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The document employs a social-engineering lure, instructing the user to install a browser extension or update to view content, which is a common method for distributing malware or stealing credentials. While no scripts were directly extracted, the PDF structure and embedded URLs suggest it acts as a dropper or redirects to malicious sites, potentially leveraging JavaScript for exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/90d613363bb0750e20d69fcf47ec5cf8/naguxu.pdf In PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608072c03edbc---80362063478.pdfIn PDF document text
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/955ae20794e27f8ec67302ee9d9f8f77/vokexumebevijik.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/nps6ojmrtdbo909djfctegkfk4/56079647686.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609b21c7914b1---xerivifanulimetukil.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/m47kuctv21kjq60tj9rhbiu347/18744302611.pdfIn PDF document text
- http://nesemlak.com/test/images/uploads/files/petuxopubusanome.pdfIn PDF document text
- http://iglozawiercie.pl/zdjecia/file/80697050768.pdfIn PDF document text
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/0e12157797ad40311cd036d1bbe0b9c9/72441264383.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e10596c79---jejir.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/42494077650.pdfIn PDF document text
- http://on-video.com/movies/movie_data/file/80019035334.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/81598971453.pdfIn PDF document text
- http://bellsazshihtzu.com/clients/878694/File/5767520675.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=joker+full+movie+with+english+subtitles+download+freePDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e157.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE157 | 5664 bytes |
SHA-256: 45d7371681cc5a53d382e5393886637d73648a6fb38b61cddca5d2d48eb0d18b |
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font_01_sfnt_off0000f483.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF483 | 10700 bytes |
SHA-256: 88e4ab33b22d02b8405dff438aa4bbe3661bb4d2ce12d7b2ad7bb143e96c40c4 |
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