MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are consistent with attempts to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://z-i-f.ru/userfiles/file/fewonewofepubok.pdf In PDF document text
- https://rabudiagnostic.com/userfiles/files/zebokabipatojanun.pdfIn PDF document text
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/k5q5r7arp18bcp3hpofm3fvckh/negege.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960c26a5d0d---puzefinoka.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098843b47b30---piremixuwir.pdfIn PDF document text
- http://446888.top/userfiles/file/rikibexututilulibibukada.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/cdi306l8tdvafe76dc385p9sf6/73454634714.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7015aee09---29614617062.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdffb26dece---5568916173.pdfIn PDF document text
- https://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/s9jse0cl1ee94f568q7ptmecmh/87171015042.pdfIn PDF document text
- http://airelimpio.mx/img/editor/file/noful.pdfIn PDF document text
- http://j1medical.com/uploaded/file/67999642138.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202108260244275858.pdfIn PDF document text
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/zesazawosajagigugasogasax.pdfIn PDF document text
- https://glbtrader.com/userfiles/file/pisipifu.pdfIn PDF document text
- https://nnt52.ru/userfiles/file/vodojiwixagufoviniminawax.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/v2e7afmn2ro67dk0gtank3o1u5/38866886701.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/d61b4e43482a874be17e1ccfa4fa2aaf/pifiropof.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160843db388fc1---vefefisalowi.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/a7239fb4e1b30764e35b8b9f517b401d/tolenoximexisuv.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd45b14c17d---wekogiw.pdfIn PDF document text
- https://dhins.com/testingsites/advantage_aviation/assets/media/file/gemavegowo.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/21681f5e2bed2bafaf9a769a5b2f8a3e/61401574445.pdfIn PDF document text
- http://theettiaresmontreal.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/wizofij.pdfIn PDF document text
- https://thefertilizerequipment.com/d/files/92508709526.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=descriptive+data+analysis+in+research+methodologyPDF 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_off0000dee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE4 | 11144 bytes |
SHA-256: 63ebf15ed07a1d4c9df5b4d8cdfee71546e57c79f533d7e2d51318187a7fa640 |
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font_01_sfnt_off0000f88f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF88F | 19976 bytes |
SHA-256: 4f9d03770c743b382b760e0c6b5f27fa5bba547134d3778bada7448b6b68f551 |
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font_02_sfnt_off00012ab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AB9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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