MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to PDF files on various domains, suggesting a link farm or redirection mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags the PDF for containing many links on disposable hosting, reinforcing the idea of a lure or phishing attempt. No scripts were extracted, and the document body was unreadable, but the overall structure and URL patterns strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.gamylai.vn/uploads/files/noporu.pdf In PDF document text
- http://baozhaopharma.com/upload/files/55199133782.pdfIn PDF document text
- https://kolegium.inaheart.org/upload/files/44714606799.pdfIn PDF document text
- https://4cmedica.com/ficheiros_upload/file/nekaziwek.pdfIn PDF document text
- https://photopoligrafic.ru/ckfinder/userfiles/files/75368863709.pdfIn PDF document text
- http://bodybybodyology.com/ckfinder/userfiles/files/vurisop.pdfIn PDF document text
- https://seo-methodes.com/userfiles/file/nepedipuketevojapi.pdfIn PDF document text
- https://educhina.mn/editor/files/mibifugob.pdfIn PDF document text
- http://pattarasawat.com/ckfinder/userfiles/files/68540621428.pdfIn PDF document text
- https://emtracing.net/userfiles/file/19536393545.pdfIn PDF document text
- https://alkathirilaw.com/userfiles/files/werenidodamatumiwovokeva.pdfIn PDF document text
- http://onnetsolution.in/userfiles/file/30940013276.pdfIn PDF document text
- http://alconsprom.ru/ckfinder/userfiles/files/99916883201.pdfIn PDF document text
- http://younewstoday.com/task/userimages/file/46284465183.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210904065648283.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/68928716131.pdfIn PDF document text
- https://sgotomotiv.org/upload/files/21099766104.pdfIn PDF document text
- http://sunnyten.net/userData/board/file/jijedomifi.pdfIn PDF document text
- https://strategie-forex.com/ckfinder/userfiles/files/totaxipagegirojimosi.pdfIn PDF document text
- https://rm-parketi.si/uploads/latelejanipenezodoxosox.pdfIn PDF document text
- https://tomas-music.com/contents/files/lawabigizufakukijeboxis.pdfIn PDF document text
- http://kabaretyimpresariat.pl/Upload/file/widezokokag.pdfIn PDF document text
- http://eatatrudy.com/uploads/files/23426076214.pdfIn PDF document text
- http://greenflameenergy.com/userfiles/file/99023357346.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16138c9b5941bf---jumuxugam.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=keywords+ranking+freePDF 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_off0000ec68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC68 | 16656 bytes |
SHA-256: 4c8500c964298da0fd006521ce5e86a1ef8a426b860157b1b74c891dab6e0ac1 |
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font_01_sfnt_off0001178a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1178A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012fa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FA1 | 10668 bytes |
SHA-256: b73ef8b01777c2387b9d1032113267e95a6fc192a9b74fc90a451fc9faca592c |
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