MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to potentially disposable hosting, suggesting a link farm or phishing lure. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the document is designed to redirect users to external sites. No scripts were extracted, but the overall structure and heuristics point to a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 5
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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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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://ayurvedicclinic.org/userfiles/file/79618659152.pdf In PDF document text
- http://masan315.net/board/imagefile/file/36147132514.pdfIn PDF document text
- http://ulleungroadtour.com/FileData/ckfinder/files/20210907_C08C07AB55369459.pdfIn PDF document text
- http://ozdoby-betonowe21.pl/Upload/file/99970739346.pdfIn PDF document text
- http://naosgym.com/userfiles/files/29292893113.pdfIn PDF document text
- http://silverspringabw.com/uploads/files/46064953478.pdfIn PDF document text
- http://honda-vo.com/upload/file/64745086300.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148140f71e00---xakisopaf.pdfIn PDF document text
- https://aarhuskortet.dk/images/file/widewamotodu.pdfIn PDF document text
- http://gelikonline.ru/content/Files/2289685683.pdfIn PDF document text
- https://rcot.org/userfiles/file/petikeroviveperaserig.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/82189623599.pdfIn PDF document text
- https://tavfelugyelet.megujuloenergiapark.hu/admin/ckfinder/userfiles/files/79051829058.pdfIn PDF document text
- http://104408017.linker.tw/files/18913511559.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16147d3531d373---10582199720.pdfIn PDF document text
- http://amkchem.com/upload/files/13152873305.pdfIn PDF document text
- http://duancanhotot.com/upload/files/25008285699.pdfIn PDF document text
- https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/raketujizumujew.pdfIn PDF document text
- http://hnfond.cz/storage/file/tubowozajilapanata.pdfIn PDF document text
- http://www.ags-sib.ru/ckfinder/userfiles/files/pedopenofubalibezi.pdfIn PDF document text
- https://vasantviharproperties.com/userfiles/file/72628913043.pdfIn PDF document text
- https://cribpointonline.org/cribpointonline/userimages/file/xasaveworu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=multiple+bluetooth+speakers+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_off0000ad90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD90 | 15840 bytes |
SHA-256: fadabe7d97f2f470d07b6dce57e89fbae064263a108b93325827342eb92ac25c |
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font_01_sfnt_off0000d57d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD57D | 10816 bytes |
SHA-256: a3b5bdf6ffd2dbea7964c739ee26b3a836531284d268a54611155916e485b093 |
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font_02_sfnt_off0000ee28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE28 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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