MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as a phishing trojan. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document likely prompts the user to install a browser extension or update, a common social engineering tactic. The numerous embedded URLs, many pointing to compromised CMS upload directories, suggest a distribution mechanism for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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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 http://hopkinshigh1966.com/clients/1/10/1054c114374c88b4a165e91103565d41/File/46776559299.pdf In PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d19749654af5a61bc43c01a2706ba521/77305269644.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfd2c1b158---wajinipatepafupinoride.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b361d7520bf---32846341611.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/4200769436.pdfIn PDF document text
- http://ogcdc.org/uploads/ck_upload/files/70162454737.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/82146825631.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/a3d3c3a7c3a027362be2a193298a2048/vusosel.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c961d6687f---43699402950.pdfIn PDF document text
- https://bocrangsuthammy.vn/upload/files/44932210702.pdfIn PDF document text
- http://rwdwebwebdesign.com/img-aim/files/38423077212.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/35f1accdcdf498cdf9509834f50b9c83/97530945095.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16087ff1499359---poruvinizuboxepu.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608981323f9c9---68185037290.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d3b6abe336---denorusajozoxa.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/liregefafitip.pdfIn PDF document text
- http://shiksha24.com/userfiles/files/10236316210.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/161031fbbae43b---zoxuxaditafegu.pdfIn PDF document text
- http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/7071109417.pdfIn PDF document text
- http://brandiassociati.it/userfiles/file/1923883399.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/4b324e2b947989ea4ad1e3f2266472dc/nunirurosudazarim.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922f5d2c489---norodo.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/700842a69347608982e35be7617a302e/rumutiwujipidin.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=pdf+compressor+less+than+100kb+onlinePDF 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_off0000d4d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4D5 | 17232 bytes |
SHA-256: 169cceed07f03c79ecd5836acb8e9752322a58adc2a5a4a8149b3d4d67c2086a |
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font_01_sfnt_off0001015e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1015E | 11292 bytes |
SHA-256: 8202e3c65356a39e161fb5b4daa7686152300a8379cc8165f8a582a450a85561 |
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font_02_sfnt_off00011b84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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