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. It functions as a link farm, with numerous embedded URLs pointing to compromised websites and disposable domains, suggesting a phishing or malware distribution scheme. The document body is unreadable, but the heuristics strongly indicate the PDF's purpose is to redirect users to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://smidgel.ru/uplcv?utm_term=black+aphids+on+pepper+plants
- http://bio86.fr/fichiers/depoporojosexekufifusa.pdf
- https://makeswebsites.com/clients/c/c8/c8c605999f3d8352d7bb792cf3fdb25b/File/nanilirabilaxineboxopapes.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/7472cdfc3301d6e150b2c7b175cd0ce9/85460160331.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b726ab2bcfa---rupafanobifok.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b0fbde3a8ed---dolanibi.pdf
- https://agenciaboom.com/wp-content/plugins/super-forms/uploads/php/files/r9q7mc9ba259k9eanpkv8hmov4/2656382105.pdf
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/487c694a9afad0c0d7d064f108f37464/38744630932.pdf
- http://tafgambiatours.com/userfiles/file/jixaza.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/a63714f23aa6df4a02d3a7c0cc605078/26546780951.pdf
- http://sahamit.net/userfiles/file/nusodaraxujurexab.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/6428bf9342174ec5677326bfbcb1ad48/60442826211.pdf
- http://longvu.vn/Images_upload/files/rivok.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/7804q5a1kmsvu3ftidoi7pia00/wulabim.pdf
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f56de2c2c8---nobetakabizesobewagukinu.pdf
- http://camel-republic.com/media/userfiles/files/80300176699.pdf
- http://archi1919.com/smlclub-files/file/kesolopekejuwizolezasuruf.pdf
- https://szekszardportal.hu/userfiles/file/guxiti.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e71bb8bb55---jezetow.pdf
- http://dunajecbiala.pl/upload/File/kovogetazinabolevawe.pdf
- https://muzeumkonstancina.pl/attachments/file/zemedefafimeparutidobej.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4b08c8bfa---xatevavu.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/8b9bb6d0323393daf02e18550953e64d/kamixe.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_off0000f8e5.bina75100e6e849aa97b274cb94d186080fbc2bcb2804e8a0d1c40faa4829770484 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E5 | 17164 bytes |
font_01_sfnt_off0001259e.bin268e31f4ff119d2cfa0fcbbbbcfab7352d149932b88a3ad243f350fa0d497963 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1259E | 10756 bytes |
font_02_sfnt_off00013e5a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E5A | 16792 bytes |
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