MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded URLs pointing to compromised WordPress sites and disposable domains, indicating a link farm designed to lure users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution intent. No scripts were extracted, but the structure and URL patterns are consistent with phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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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://infrive.ru/uplcv?utm_term=what+does+p%26l+stand+for
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/mbrb4n9qm4orgf2fiffvho2l8i/dobigitutidefawepi.pdf
- http://airconbank.com/upload/fckeditor/file/82655241955.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5utt07h0530lkrl29qr8d16sk5/vajowodanakaberegob.pdf
- https://advance-pack.com/editor_upload/file/vadok.pdf
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/121414e2fcea076f0028b0a064b841d9/63180034970.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9eef397d7e---48300553408.pdf
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb661cc4aa---pagulowadesewaliruri.pdf
- http://greatnice.club/updatefiles/file/32359055902.pdf
- https://anmoul.com/userfiles/file/69798003363.pdf
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/a265b93fea721cb7120694abecada6ee/mopebepifalakofi.pdf
- https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/39cos1v68g89pdbtvenkedon24/jajasimokuvaxo.pdf
- https://vishalahospitality.com/ckfinder/userfiles/files/46945747075.pdf
- http://alexanderkanevskyartistbiography.com/clientMedia/file/79734703780.pdf
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/95987443605.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/rg7noq6ou8hccjm50mn67dkco7/wefujadewawak.pdf
- http://tvtamminhphat.com/uploads/userfiles/file/4978344035.pdf
- https://promise-land.com/upload/file/vapotepobeziruwa.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cc8a3e9e6e6---70750086107.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/12c6052f8881e3b2c9bfd418ae8c62da/64390401989.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/o76briu6cg9v0gg2h8u4ars5qk/77229942400.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/8a531f6d8022eb56197c627111b5776c/jobapevedorodemoxine.pdf
- https://abugfreemind.com/userfiles/file/48714991380.pdf
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/17429729865.pdf
- http://dallapietamarchisio.it/userfiles/files/ridetafigasazabufuvaru.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e4c0.bin25f2da9588846e9414cde3cf4253d9002a0fc081d3f2ac694f09ae90d22abf4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4C0 | 10140 bytes |
font_01_sfnt_off0000fb8f.bin2a70107f1bef0cedaaca1f49091e819e2988e512e37d86803f9efbfc86d29bbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB8F | 17108 bytes |
font_02_sfnt_off00012824.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12824 | 16792 bytes |
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