MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF's structure and embedded links indicate it's part of a phishing campaign, likely using spearphishing attachments as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://crysiq.ru/uplcv?utm_term=el+dia+que+se+perdio+la+cordura+pdf PDF link annotation
- http://www.nachtruhe.info/up/files/52319575007.pdfIn PDF document text
- http://keralatravelpath.com/uploads/file/rulasepuj.pdfIn PDF document text
- http://boldogelet.hu/media/45121548104.pdfIn PDF document text
- https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/kepov.pdfIn PDF document text
- https://dtd.com.pk/ckfinder/userfiles/files/nuzab.pdfIn PDF document text
- https://groupburuemas2.com/contents/files/sekokezax.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/30636992737.pdfIn PDF document text
- https://clubforeducation.com/FCKeditor/userfiles/file/57528595433.pdfIn PDF document text
- https://dubaimotorcycletours.com/uploaded_images/files/wobipo.pdfIn PDF document text
- http://www.guus.edu.mn/ckfinder/userfiles/files/zogupefune.pdfIn PDF document text
- http://azseal.net/uploads/userfiles/file/41139292369.pdfIn PDF document text
- http://berbun.com/user_img/file/pabafedaganuroz.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/jovorutitareripu.pdfIn PDF document text
- https://brakos.it/file/vupijilopaxipo.pdfIn PDF document text
- http://w-mill.jp/images/file/gobedaleke.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/wunabalarudubitunoxuxap.pdfIn PDF document text
- http://bagiez.com/userfiles/file/pelarezuf.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613058fbe3019---zepub.pdfIn PDF document text
- http://shengyaweb.com/uploadfile/file/2021090702371317.pdfIn PDF document text
- http://www.otevrenysklep.cz/ckfinder/userfiles/files/rorideb.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142ebdbce000---jimexaresotefowikevololor.pdfIn PDF document text
- http://metrocars.london/survey/userfiles/files/doxametuvaf.pdfIn PDF document text
- http://theponghop.com/upload/files/gutef.pdfIn PDF document text
- https://daulte.com/ckfinder/userfiles/files/71777265619.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613ecb506e306---46530150896.pdfIn PDF document text
- 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_off0000dde7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDE7 | 20148 bytes |
SHA-256: 26f82fde0aa9ebe2fbda1429df993c6156b8669d31ed2f2484c9dc86f0746227 |
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font_01_sfnt_off000111d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000129f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129F0 | 10640 bytes |
SHA-256: 49ec7e471556352c5cb4020639b1d27676b580431f518de281a768d441a8cf97 |
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