MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a phishing trojan by ClamAV and flagged by an ML classifier. It contains numerous embedded URLs, many of which point to PDF files hosted on potentially disposable domains, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and the high number of external links indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://zimmerei-possert.at/liliduranozofubozukiw.pdf In PDF document text
- http://studiolorenzino.eu/userfiles/files/juvefeguxubowotadidinazo.pdfIn PDF document text
- http://nuovartea.eu/userfiles/files/93770618850.pdfIn PDF document text
- http://devitohomesorlando.com/userfiles/files/pupewupenuvaluzofegim.pdfIn PDF document text
- http://tecnoservizi.com/userfiles/files/40817486714.pdfIn PDF document text
- http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/kiduzekipidixopud.pdfIn PDF document text
- http://katachizu.com/img/news/files/12952899079.pdfIn PDF document text
- http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/59820171720.pdfIn PDF document text
- http://hoya-system.com/uploads/files/202109130948034096.pdfIn PDF document text
- http://www.omt.ntou.edu.tw/ckfinder/userfiles/files/75449082649.pdfIn PDF document text
- http://isagenixmakessense.com/ckfinder/userfiles/files/45373412000.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/data/editor/file/86131351600.pdfIn PDF document text
- http://biosystech.com/pdsFck/file/muzutubunopakixoput.pdfIn PDF document text
- https://zivotzaokny.eu/res/file/muximusipexigonoxu.pdfIn PDF document text
- http://hainescentreasia.com/images/file/20959797387.pdfIn PDF document text
- http://spalovnachemolak.sk/userfiles/file/91623441512.pdfIn PDF document text
- https://onecre.com/images/content/files/29560624262.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/89617741535.pdfIn PDF document text
- https://homestayhoian.thamtuddt.com/uploads/image/files/32104765384.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210910043553241.pdfIn PDF document text
- http://katachizu.com/img/news/files/55713606495.pdfIn PDF document text
- http://cloudinfo01.smartevolve.com/images/ckeditor/files/zategebawufonavapi.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161471ee6d808c---lewadujolanuvo.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/929775243dbc0c15e70f74c18a89edbf/momerolazidakib.pdfIn PDF document text
- https://alicantea.centralcms.cloud/galeria/files/79258925332.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=www+jacquielawson+comPDF 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_off0000ddf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF7 | 10648 bytes |
SHA-256: 8c67a62a4f3b56abf47b9bc754cc6ca9a8a2341209bf6cf95f0efdd023a61b8e |
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font_01_sfnt_off0000f653.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF653 | 18144 bytes |
SHA-256: ad2668a28c39fffab6f48829203d55fd5d169dd061b8a19c5997cb0c95a5c6ab |
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font_02_sfnt_off00012582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12582 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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