MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous external URLs, many hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. Heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature.
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 http://thietbiantoanttk.com/uploads/files/52265298873.pdf In PDF document text
- https://blokhol.com/upload/files/xilepibagemosekidul.pdfIn PDF document text
- http://htbestcomputer.com/media/ftp/file/5443924650.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/zikezo.pdfIn PDF document text
- https://llibreriaha.com/img/events/file/64307266055.pdfIn PDF document text
- http://ddaengshop.com/ckupload/files/22649953435.pdfIn PDF document text
- http://intertermo.nl/userfiles/file/davotik.pdfIn PDF document text
- https://kamwalibais.com/userfiles/file/50142809276.pdfIn PDF document text
- https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/45658635722.pdfIn PDF document text
- http://sp3siemianowice.pl/userFiles/files/nanisoz.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/pemuduguvoxitebemexewuned.pdfIn PDF document text
- https://eastmanllc.net/ckfinder/userfiles/files/zulurevapimugefonagiz.pdfIn PDF document text
- http://allycatering.com/userfiles/tofufolonigugapotu.pdfIn PDF document text
- https://damiel.eu/userfiles/file/pofefulupoduzobogaxas.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161340ae7213a0---nekige.pdfIn PDF document text
- https://khonggiansachhanoi.vn/uploads/files/34821924328.pdfIn PDF document text
- https://dcmheavyequipment.com/admin/images/file/nogami.pdfIn PDF document text
- http://dalaichau.com/files/65283084268.pdfIn PDF document text
- http://aftp.bg/userfiles/file/55247552730.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/1a6124debc89b95ac0a7dae69e0cde6b/89261129703.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613937dcb0166---30958578702.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/vigitufirewederu.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/3253831832.pdfIn PDF document text
- https://vibangnhadat.com/uploads/files/94327397141.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=vidmate+hd+apk+download+2019PDF 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_off0000cb96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB96 | 11000 bytes |
SHA-256: 435ad1c6a1b79b2e9080e1649ba0ae4e36f8a8eedc1077d236d0c610acaa714b |
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font_01_sfnt_off0000e502.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE502 | 18408 bytes |
SHA-256: 86f20e7d142a973647f0a677b5f1d34ddcc0d5ad453db639b67f2247561f9371 |
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font_02_sfnt_off000114dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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