MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating it likely exploits a vulnerability or contains malicious content. The presence of numerous unique external URIs, many pointing to disposable domains, suggests a link farm designed to obscure the ultimate destination and potentially host malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a strategy to distribute links across many low-reputation domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://korea-seals.com/ckfinder/userfiles/files/759562246.pdf In PDF document text
- http://jagdrevier.hu/upload/images/file/neterozivamajod.pdfIn PDF document text
- http://volareinmongolfiera.it/userfiles/files/tewis.pdfIn PDF document text
- https://tutorsbureau.net/userfiles/file/48984140868.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/68855606310.pdfIn PDF document text
- https://rockyhotelsgroup.com/uploaded/files/33390595984.pdfIn PDF document text
- http://pietroquatriniarchitetto.eu/userfiles/files/lutanobekivuxebuw.pdfIn PDF document text
- http://thecuriosityshot.com/69393327733.pdfIn PDF document text
- https://camping-du-lac-dijon.com/userfiles/fichiers/dejemifowupugu.pdfIn PDF document text
- http://3suntech.com/UploadFile/file/20211006220131455.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/71471743631.pdfIn PDF document text
- https://casalindasbakery.com/ckfinder/userfiles/files/vegutixegafujafizu.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613532da9eb35---bekedusizejotelonakep.pdfIn PDF document text
- https://coastalstudio.com/images/main/file/nojunomosamosix.pdfIn PDF document text
- https://remont-bez-zabot.ru/files/file/religop.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/limedutizunipuna.pdfIn PDF document text
- http://5percent-design-action.com/upload/users/files/zaxajekijazopotokimunekos.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/a455c25c5d93fc70b11cc59366a835a3/22795476819.pdfIn PDF document text
- http://bakefruit.com/uploads/files/202109062132476027.pdfIn PDF document text
- http://dayou.tw/uploadpic/files/202109271210575826.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021091117203642.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210926101604.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=cute+names+for+girls+on+snapPDF 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_off0000df6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF6F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f786.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF786 | 10832 bytes |
SHA-256: 39ad486797d2c06524529d58bbfe096f250570923279e10614319b49d4710258 |
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font_02_sfnt_off0001108e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1108E | 18352 bytes |
SHA-256: 725f21f89791cd0f867297601658cc066eebf044149ce9fadfafed30700023d0 |
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