MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The ML classifier and ClamAV detection strongly indicate malicious intent. The sample also exhibits characteristics of a link farm, with numerous external URIs pointing to potentially malicious or disposable domains, suggesting a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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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://baozhaopharma.com/upload/files/99501584938.pdf In PDF document text
- http://jycjqj.com/uploadfile/file///2021090407173457.pdfIn PDF document text
- https://villanakarin.com/userfiles/files/53161102284.pdfIn PDF document text
- http://pc580.cn/upload_fck/file/2021-9-12/20210912024948101496.pdfIn PDF document text
- http://xn--b1agpbmdtf.xn--p1ai/upload/file/78311906915.pdfIn PDF document text
- https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/2000380201.pdfIn PDF document text
- https://konferencii.ru/js/ckfinder/userfiles/files/lesewuxovatupozamiwanowa.pdfIn PDF document text
- http://antifftech.com/uploadfile/file///2021092513565250.pdfIn PDF document text
- https://loyd.rs/images/file/kukuzukiwup.pdfIn PDF document text
- http://hungthanhauto.com/luutru/files/sokapusafisafom.pdfIn PDF document text
- http://abwrosedale.com/uploads/files/wenanebom.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa13074d6a---dawonuvas.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/putimoramonejenoja.pdfIn PDF document text
- https://etimes.mn/uploads/files/wivulufisapafanotowusik.pdfIn PDF document text
- http://www.llmhospital.com/www/js/ckfinder/userfiles/files/4846252672.pdfIn PDF document text
- https://ises.ca/phpsites/vertical_living/uploads/file/53541112616.pdfIn PDF document text
- http://mtt-association.fr/upload/file/71784786105.pdfIn PDF document text
- http://www.seminariomenorvalencia.com/admin/lib/ckfinder/userfiles/files/nofalafenolokezoxo.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/vetasemasefoduj.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cecece2e3d---32714645234.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/xuxozanatokefosisuj.pdfIn PDF document text
- http://perseverance.cyou/updatefiles/file/zowekuxatujoravemikelug.pdfIn PDF document text
- https://sgicorp.com/userfiles/files/50734172131.pdfIn PDF document text
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/rikix.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=screenshot+galaxy+s3+miniPDF 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_off0000b157.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB157 | 11140 bytes |
SHA-256: d72569d4ba4a280cba255daae158fe03d415f70d609f3a66ee2907af98b5b095 |
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font_01_sfnt_off0000cb33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB33 | 18084 bytes |
SHA-256: 1d78bf246836c846fc939f922564b346d17c1e15f050ba6a041e71a811cdc697 |
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font_02_sfnt_off0000f9b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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