MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to potentially compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. Heuristic firings like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly indicate this phishing-like behavior. The ML classifier and ClamAV detection further confirm its malicious nature, likely as a downloader or redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://huntic.ru/uplcv?utm_term=tv+memory+cleaner+apk PDF link annotation
- https://www.wemservice.com/ckfinder/userfiles/files/rulusasisowow.pdfIn PDF document text
- https://balajitutorial.com/admin/userfiles/file/monatikit.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/747770257927dd9e5f9123a4d6e679b2/38295943449.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/43140792646.pdfIn PDF document text
- https://nordiskvillaventilation.dk/userfiles/file/34335658997.pdfIn PDF document text
- https://mabuksusu2.com/contents/files/64177217183.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/venagovinilaxap.pdfIn PDF document text
- http://camara.acessoainformacao.org/uploads/ckfinder/files/mawon.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcc165a307---58221240778.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/28853068144.pdfIn PDF document text
- http://aorganboys.handyfriendship.com/upload/files/64476428842.pdfIn PDF document text
- http://speckletrack.com/update/editor/file/67277713534.pdfIn PDF document text
- http://woodlander.sk/grafika/file/fegaligi.pdfIn PDF document text
- http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/55433330612.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/phi37u2tfigckafqk174c0t9ua/4499729831.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/bofijesajarizikiverubi.pdfIn PDF document text
- https://groupekheidri.com/ckfinder/userfiles/files/27645358773.pdfIn PDF document text
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kusej.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/a1429e6b55daeb8e69a4bda18f4e5e22/fowafituker.pdfIn PDF document text
- http://designbeginnings.com/upload/file/gefixaxomadiwujitu.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_off0000cb15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB15 | 10412 bytes |
SHA-256: 57165739e758b14e155e4323aec6b54e52046ab237b6f6a22a895709f2128370 |
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font_01_sfnt_off0000e2ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fabe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFABE | 19568 bytes |
SHA-256: 8563fd2f743ac4e12ac5b9704a63ee3efbb210970319393c04d802f89ae5231a |
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