MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Several heuristics identified the PDF as a link farm, with many URLs pointing to compromised CMS upload directories or disposable hosting. The embedded URLs suggest an attempt to direct users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://nhatrangpalace.vn/app/webroot/upload/files/fabezetinadirege.pdf In PDF document text
- https://mattress-leader.com/media/mezuwefeli.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/falokezixefajidupaxamep.pdfIn PDF document text
- http://inciboya.com/resimler/site/files/98904152692.pdfIn PDF document text
- http://fazendasaojudastadeu.net/fotosempresa/files/nowavavejelat.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff15a31f80---98254426389.pdfIn PDF document text
- https://stratasphere.online/userfiles/file/45967580474.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161451d89dcdad---jagarigaxijuvaxanugew.pdfIn PDF document text
- https://people11people.com/uploads/File/1089377143.pdfIn PDF document text
- http://xn--3bsx3iw22bmot.com/filespath/files/20210915105948.pdfIn PDF document text
- https://lmbri.com/WYSIWYGImage/file/22434271323.pdfIn PDF document text
- http://cablexconsulting.com/Upload/file/6936231304.pdfIn PDF document text
- http://gemwishrs.com/ckfinder/stones/files/mepebaroru.pdfIn PDF document text
- http://inarchengineering.it/userfiles/files/wajubozafawivut.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/tivebezasewagofuwetowa.pdfIn PDF document text
- http://thoitrangvabaoho.com/Images_upload/files/13850503922.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614862b7a5c00---xibodumiguzi.pdfIn PDF document text
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/gefuzijavegikijum.pdfIn PDF document text
- https://doitoutdoorz.com/file/wjuwUqwj9LRwkGzF.pdfIn PDF document text
- http://farashimirooz.com/files/6310621084.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a52ae783f---jabojifokowarasurasi.pdfIn PDF document text
- https://namhunglogistic.vn/site/files/54277496575.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd7c4f0dd4---65249752573.pdfIn PDF document text
- http://powercleanperu.com/cms_powerclean_2015/sgi_userfiles/userfiles/files/4911697249.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=the+seven+deadly+sins+season+3+episode+1PDF 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_off0000da60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA60 | 19180 bytes |
SHA-256: 287b3b02583be17c230cea10e192c254d5307c6158438746860966c357265002 |
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font_01_sfnt_off00010bbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BBE | 10656 bytes |
SHA-256: 64b07d774c94016f21e59b204acf5b57903dbbefc6450fd187ff3f6ef5264913 |
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font_02_sfnt_off0001242b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1242B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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