MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS uploads, indicating a link farm designed to redirect users to malicious content. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classifiers also flagged it as malicious. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports the phishing and malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/161371e2cc439c---38480995953.pdf In PDF document text
- http://akbarestate.com/survey/userfiles/files/2030037623.pdfIn PDF document text
- https://tecnomatec.cl/upload/file/mewumutepos.pdfIn PDF document text
- https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/sikujew.pdfIn PDF document text
- http://uchid.com/uploads/file/lidatuneged.pdfIn PDF document text
- http://asztalosweb.hu/userfiles/file/webixomujeveziguf.pdfIn PDF document text
- http://kocavietnam.com/upload/files/xasomibuxaxisevubawululag.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614138d2203b9---bomomikizug.pdfIn PDF document text
- http://3qbuy.com/CKEdit/upload/files/36198738935.pdfIn PDF document text
- https://kaimano.it/file/34622418068.pdfIn PDF document text
- http://slsnn.ru/content/files/wenozijumupamegisujewag.pdfIn PDF document text
- http://citty.org/images/uploads/file/65015253942.pdfIn PDF document text
- https://www.andreivieru.com/ckfinder/userfiles/files/82379920073.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/23380346759.pdfIn PDF document text
- http://fiumevivo.it/userfiles/files/90363910298.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16142b603d5c69---16133608139.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210912003619.pdfIn PDF document text
- https://emartdeko.pl/galeria/file/55329128227.pdfIn PDF document text
- https://jairdefreitas.com/ckfinder/userfiles/files/newen.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/f42ed40dafb515b07ab7140f9d4b5689/tewimewifezidu.pdfIn PDF document text
- http://konakelektrik.com/userfiles/file/24248231301.pdfIn PDF document text
- https://www.institutvzdelavani.cz/files/62069914521.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/257d8de1c51a85224ed98b08fb3309cd/sexadapubedagazi.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/88a8bf3a729623ab3683814fb2a06956/nawimivulewazo.pdfIn PDF document text
- http://romento.com/uploaded_files/userfiles/files/muxagupikapamevipa.pdfIn PDF document text
- http://mwbright.com/upload_fck/file/2021-9-1/20210901071323182507.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=chal+mera+putt+2+movie+download+filmywapPDF 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_off0000d71c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD71C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF33 | 11112 bytes |
SHA-256: 70f766123cca7b0cb986484d0bbe45863180977f054d4c05c8c8cdf972a03637 |
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font_02_sfnt_off000108ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FF | 17444 bytes |
SHA-256: 4ca8eb635236c403d0c4d25932084007753fc3e108493d00d27239e9f25f4e15 |
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