MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest the document's purpose is to redirect users to potentially harmful sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://laborke.ru/uplcv?utm_term=visual+studio+2013+shortcut+keys+pdf PDF link annotation
- http://energosol.pl/images_cms/file/viloru.pdfIn PDF document text
- http://f-kcc.jp/user_data/userfiles/files/xezajizivoru.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160b3edb495ca4---rapigalavanugulosizasukuv.pdfIn PDF document text
- http://studioboscono.it/userfiles/files/60243868597.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e050c40ba73---subinelevolobifo.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b05f9ac7220---rutumugizazepa.pdfIn PDF document text
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/9c25a077a927c68b6a424fa92fbf1b28/giwutedob.pdfIn PDF document text
- http://puginternational.com/ckfinder/userfiles/files/dapama.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/88982893678.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/f572879334d2df44d563c058dfbeaa9c/karumigegowewu.pdfIn PDF document text
- http://boxethai38.com/upload/file/katenosiseziv.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mogopekezobemo.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608dec79ece90---lurakukanitesuke.pdfIn PDF document text
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/ms7e0902j357pqhl2cfeuapt65/73326822893.pdfIn PDF document text
- https://mahae.hu/files/files/buvisivip.pdfIn PDF document text
- https://ises.ca/phpsites/vertical_living/uploads/file/towojilosonujikobad.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078a3427919b---pawasunamariforumug.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf117c452f---610910950.pdfIn PDF document text
- http://beergolfers.com./blog/images/file/57915618879.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d89fa6c68cd---68468134507.pdfIn PDF document text
- http://thebranchoflife.org/clients/3/37/37a84c4c47f147f839b5d5a44bb1b86c/File/44910983226.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d84b092b12---60719500976.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/6448bfd40ff93cce7a40d98f017caea1/gipune.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16096179e3bc37---16347446812.pdfIn PDF document text
- https://luminex.pl/upload/file/jetaxilikezika.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161218882e6721---96789412078.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_off0000d925.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD925 | 18916 bytes |
SHA-256: e175642a70d84c80d46533e7ba5cce763c7cde4a8f7a3accedb46d13ea90cd2f |
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font_01_sfnt_off00010a15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A15 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001222c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1222C | 11352 bytes |
SHA-256: eafb83aea12021e9e6e3c4818ceb42c40c8d22ee62c625956605b56a8d1daa35 |
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