MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a link farm with numerous embedded URLs pointing to various domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high likelihood of this document being used to distribute malicious content or phish users. While no scripts were explicitly extracted, the nature of the embedded URLs suggests a redirection mechanism, likely to a second-stage payload or phishing page.
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://chayka-svg.ru/files/21496384138.pdf In PDF document text
- http://sarkanyhajo.hu/files/file/30896945214.pdfIn PDF document text
- https://appvid.eus/userfiles/files/85250483877.pdfIn PDF document text
- https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/xolan.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1612eeef776e06---jowoxinemipat.pdfIn PDF document text
- http://www.lircai.com/web/inline/file/62245608496.pdfIn PDF document text
- http://shengnabei.com/uploadfile/file///2021090415272633.pdfIn PDF document text
- https://vico-inmobiliaria.com/ckfinder/userfiles/files/60264756995.pdfIn PDF document text
- https://gedayapi.com/userfiles/file/67715217709.pdfIn PDF document text
- https://www.autopsrus.com/ckfinder/userfiles/files/84219921922.pdfIn PDF document text
- http://futuralagoparking.eu/userfiles/files/mevepegunuxefepufadi.pdfIn PDF document text
- https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/rigelewuvamonarigi.pdfIn PDF document text
- https://newsru.md/upload/userfiles/files/kerewogagobotulaxegub.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/dobugevovotulaveduzew.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/23472832643.pdfIn PDF document text
- http://www.pilartangguh.com/file/21840545699.pdfIn PDF document text
- https://liantoong.com/archive/upload/files/loxifabesabe.pdfIn PDF document text
- https://clubkdo.fr/img/pics/files/julekikukixedemaxazova.pdfIn PDF document text
- https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/86543582438.pdfIn PDF document text
- https://stayinbranson.com/ckfinder/triplebuserfiles/file/84742438981.pdfIn PDF document text
- https://binarbaidservices.com/public_html/userfiles/file/16454246965.pdfIn PDF document text
- http://thephinhmienbac.com/upload/files/xexosaneg.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=should+i+switch+to+ios+from+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_off0000d79d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD79D | 19536 bytes |
SHA-256: 8309b50351da6b948bf7f8d3be767f929fc5b78a255763f6fe6c640e6aabe52b |
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font_01_sfnt_off00010a6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A6C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012283.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12283 | 10872 bytes |
SHA-256: e9e65ca7044e9d1cac5fb1872e077f273fa4b6ae76eb4df6692dbfa9245fa55f |
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