MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The file contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute malware or facilitate phishing. The presence of these links, combined with the PDF_SEO_DISPOSABLE_LINK_FARM heuristic, strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://hamkr.com/userData/board/file/25546602163.pdf In PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/7cd9558b4c11244555d65489f49bd60e/96648019968.pdfIn PDF document text
- https://cdpu.net/wp-content/plugins/super-forms/uploads/php/files/c1fe784eb8079338ca567021c0c90e2b/8235080518.pdfIn PDF document text
- http://www.sname.org.tw/sname/ckfinder/userfiles/files/20962668059.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608574504130c---sixumawumunozoja.pdfIn PDF document text
- http://www.toeterloeh44.de/files/letuzomokumemida.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/it6qdo2gi9purm15dc76e6qme1/42182499611.pdfIn PDF document text
- http://smart-ventures.ch/upload/Editor_Images/files/5450506963.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/291766635fe45afe169281b493625b4c/rowajemojuwekulukedu.pdfIn PDF document text
- http://rogersdesignhouse.com/uploads/files/lubosuja.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4dc51f510---foxojatelazelibowim.pdfIn PDF document text
- http://zonweringbelgie.com/ckfinder/userfiles/files/69024894995.pdfIn PDF document text
- http://bydnjl.com/userfiles/files/12692099227.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/216708004533bb38aad025c0e35a0dc3/93808960540.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160797b076af59---46436433359.pdfIn PDF document text
- http://www.sphotobooth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726b1cda1c6---mudug.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/9lnq13jdbijrsnlmufj5gu0gf2/61732243492.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1c946023f---98995747572.pdfIn PDF document text
- http://donleroy.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wuvaf.pdfIn PDF document text
- https://computerzone.pk/file/3382507545.pdfIn PDF document text
- http://maekalocal.com/Maeka/UserFiles/File/12254673384.pdfIn PDF document text
- https://miruyuta96.ru/admin/ckfinder/userfiles/files/71550938451.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c63fffc0c83---fekibat.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=free+download+dead+trigger+2+mod+apk+offlinePDF 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_off0000d90c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f11e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11E | 17156 bytes |
SHA-256: 022d0578fc8f45c5b11a2dc8a923e0f988bf0d197b0372c4e9a42cf9e0473c6a |
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font_02_sfnt_off00011e2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E2B | 10948 bytes |
SHA-256: 7de533dd76ed42967ba86ec8663f3cba4daece498663ae389f925398b3feaf5c |
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