MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external links, one of which points to a suspicious domain and is flagged as a random URL. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the redirection or download of a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://cameralehiep.com/hinhanh_fckeditor/file/18706376199.pdf In PDF document text
- http://dayuntang.com/assets/uploads/ckedit/files/20210906214324.pdfIn PDF document text
- https://ecohort.info/userfiles/files/74774495923.pdfIn PDF document text
- http://autostyle-japan.com/js/upload/files/78589792726.pdfIn PDF document text
- http://interwork.sk/userfiles/file/javegivujosufalezosotunuk.pdfIn PDF document text
- http://iamsong.vn/uploads/files/29189289016.pdfIn PDF document text
- https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/tukejubebetejotenatuf.pdfIn PDF document text
- http://homeloanz.net/images/e/file/89441480902.pdfIn PDF document text
- http://studiomanzella.com/userfiles/files/24797944351.pdfIn PDF document text
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/34179932794.pdfIn PDF document text
- http://sunmoon-glory.com/web/upload/files/zubibezadawagajamenidu.pdfIn PDF document text
- http://saimiri.name/upload/file/rusavesa.pdfIn PDF document text
- http://nordicwalkingturak.hu/_user/file/sasipugetepu.pdfIn PDF document text
- https://dcicz.org/userfiles/file/30549905847.pdfIn PDF document text
- http://machulski.com/public/file/41071744172.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135cbac31b32---tejirekan.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/3iltp0ffe684t5vp4evqnmnfq2/tipetakevovo.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/16821335252.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/zasuxebatovaxuwole.pdfIn PDF document text
- http://marasintl.com/public/ckfinderuploads/files/motozuloluganewixur.pdfIn PDF document text
- http://skontrolsengineering.com/file_media/file_image/file/lujafabemunigorirutozokim.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/sugebiravularegita.pdfIn PDF document text
- http://adbrf.com/files/fckeditor/file/173644181613551db0647f.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=watch+hunter+x+hunter+chimera+antPDF 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_off0000f37d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B8F | 18228 bytes |
SHA-256: 585b1c4a11499838dbd336ead53788e55a98984afc7338fc58af9dc58b9f2f8d |
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font_02_sfnt_off00013ae7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AE7 | 10356 bytes |
SHA-256: 68c3f66b03e0bd165bee6456036b151746e9f7712c475225b4a95411738abeec |
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