MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or SEO manipulation scheme. The embedded URLs, while some are marked benign, lead to suspicious domains, with one specifically hosted on a compromised WordPress site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/161442988b554c---jejegonifazubarevuzek.pdf In PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/42696181473.pdfIn PDF document text
- http://sghr.ca/upload/ckfinder/files/dizirudoz.pdfIn PDF document text
- https://synodradomski.pl/userfiles/file/sesufavegubuveb.pdfIn PDF document text
- https://jamuiboe.com/webroot/upload_media/gipufutikelimunibijut.pdfIn PDF document text
- http://xhzhengli.com/upload/66818547469.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/ukmpevsa7bjdonpgso30pd99im/lekadizagukemojisupilirog.pdfIn PDF document text
- http://52fotki.ru/ckfinder/userfiles/files/41566965481.pdfIn PDF document text
- http://gnatowski.pl/attachments/file/50209154721.pdfIn PDF document text
- http://mandarinusa.com/userfiles/file/1630982833.pdfIn PDF document text
- https://bak.vn/upload/files/14964952133.pdfIn PDF document text
- http://www.moyekolodin.com/files/bolinezotigunuxom.pdfIn PDF document text
- https://thietbivesinhsonhoa.com/webroot/img/files/mukofisag.pdfIn PDF document text
- https://bahispesinde.com/gnc/veri/_files/74111097877.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/92bd0593a0da93da743bebb8e4995e24/pewupesaxezawol.pdfIn PDF document text
- http://4chan.ro/UserFiles/file/48400713262.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/ralenusurafujipujo.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/tixiraturomiludifiz.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409352156b0---daribuzoguromefonapizozer.pdfIn PDF document text
- http://aunay-sous-auneau.fr/ckfinder/userfiles/files/mewunajuvijumiza.pdfIn PDF document text
- https://granitabrasive.hu/editor_up/30892800213.pdfIn PDF document text
- https://kibledergisi.net/resimler/files/liketudukojotezupifonod.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161428ad1bafec---mozekukovaziwivudiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=what+is+meant+by+prokaryotic+and+eukaryotic+cellPDF 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_off0000c504.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC504 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD1B | 11216 bytes |
SHA-256: 013fa3c2326f95d8c1066d4ed3a96668e2d1e0e2a69a3e8bcb9f896fc2a5dca7 |
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font_02_sfnt_off0000f6fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6FA | 16988 bytes |
SHA-256: cd78ab108e48606d6de31fc141834b41fd4be304e0d925771857c4d3a9978809 |
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