MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan distribution purpose. No scripts were extracted from this sample, but the primary attack vector appears to be luring users to external sites via malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://ketchas.ru/uplcv?utm_term=the+lord+is+not+a+man+that+he+should+lie PDF link annotation
- http://bavlas.lt/ckfinder/userfiles/files/80779947494.pdfIn PDF document text
- https://www.znackakvality.info/files/wavuxadimuje.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/zixapelodetapej.pdfIn PDF document text
- http://highdeal.linkeo.net/ckfinder/userfiles/files/75012309305.pdfIn PDF document text
- https://galerie-louise.be/userfiles/files/12487789017.pdfIn PDF document text
- https://karinbentum.nl/uploads/file/79581952870.pdfIn PDF document text
- http://bassonconsulting.mc/userfiles/file/rugom.pdfIn PDF document text
- https://ccvt.vinaonegroup.net/upload/files/sisafutoj.pdfIn PDF document text
- https://thebottombillion.org/business_school/uploads/file/nuxededulosa.pdfIn PDF document text
- http://thetestmag.com/userfiles/files/panelukalido.pdfIn PDF document text
- https://siroyensao.com/upload/files/jewutulamajixoj.pdfIn PDF document text
- http://xn----dtbhwhggdaoqfh3d.xn--p1ai/media/file/vefavaselodolumu.pdfIn PDF document text
- http://crabandclaw.com/uploads/files/xupejobisogonopeg.pdfIn PDF document text
- http://printrun.nl/userfiles/files/47249189145.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16135c9f112509---70418976404.pdfIn PDF document text
- http://studiocinti.eu/userfiles/files/64237352325.pdfIn PDF document text
- https://kozlovka.mebel18.com/uploads/files/69204808367.pdfIn PDF document text
- http://tsradviseurs.nl/mailing/images/photo/file/38287850400.pdfIn PDF document text
- http://old.smartplus.pl/ckfinder/userfiles/files/diziduzokegewogekopazag.pdfIn PDF document text
- https://jogamiskolc.hu/ckfinder/userfiles/files/wimokake.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147eff15d1e3---mikabuboraz.pdfIn PDF document text
- http://luxcottage.ru/stroykamen/userfiles/file/45449078044.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1614e4f90b509e---xadej.pdfIn PDF document text
- http://easyhypermarket.com/userfiles/file/zagudukazuko.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_off0000b51a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB51A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD2C | 18912 bytes |
SHA-256: 8b1f71f834e62d084397d6a7ed8700bc65808c569181b0d5bdd95461dbcbb01b |
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font_02_sfnt_off0000fce9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE9 | 10576 bytes |
SHA-256: 0531561053687041d76dde8083cfe3fab3b5710ebc8a7291e3d52330d00c4989 |
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