MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file identified by ClamAV as 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0'. It contains numerous links, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to lure users to malicious content. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://clubon.top/uploads/files/45483819611.pdf In PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/kokenizukomawugijikofil.pdfIn PDF document text
- http://chenruichem.com/upload/files/61785060513.pdfIn PDF document text
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/17516836728.pdfIn PDF document text
- http://zhouzhuanx.com/v15/Upload/file/20219102013131933.pdfIn PDF document text
- http://superfasttv.com/uploads/files/fejidamibinepagipip.pdfIn PDF document text
- http://aybar-gallery.com/userfiles/files/miwedubuxowewogisoporapog.pdfIn PDF document text
- http://surausa.com/uploads/files/taxudun.pdfIn PDF document text
- http://uptownchantilly.com/uploads/files/93955734068.pdfIn PDF document text
- http://conelser.hu/fck_uploads/file/13287287666.pdfIn PDF document text
- http://qlionshousing.ca/userfiles/file/71025602593.pdfIn PDF document text
- http://www.cda.org.hk/ckfinder/userfiles/files/66888043007.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a25602fecc---dalanagaxaril.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613cefac1cbf4---16872965338.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090212333573499.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/xowudegijevaso.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name/files/nitiruvapowuriguzavozi.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/161308fc1b9e9e---25525198706.pdfIn PDF document text
- http://changwontour.kr/FileData/ckfinder/files/20210912_67D4A01FADBE0A4E.pdfIn PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021091220115180554.pdfIn PDF document text
- http://skolicka.eu/foto/images/file/14528652835.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/09ef7158b8789d3801c2395160eee3ad/jujujusoramumavaxa.pdfIn PDF document text
- http://www.superior-inkjet.com/login/ckfinder/userfiles/files/gewamo.pdfIn PDF document text
- http://cuanhuadanang.vn/uploads/image/files/megaregevezediwaxubofir.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+get+onlyfans+app+on+androidPDF 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_off0000d40d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD40D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC1F | 18032 bytes |
SHA-256: 30ce7c5ba59db26a89b02852edd52c98c0c37969a9b98d2577a9ed3b096b3ae9 |
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font_02_sfnt_off00011aa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA2 | 10864 bytes |
SHA-256: 54e7cd100545ca5b78e0155d1487849c79246fc3a1f34eaacb21f5b21686f2ce |
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