MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable domains and are structured as link farms, suggesting a phishing or redirection scheme. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/powulumipukojalume.pdf In PDF document text
- http://jessie.vn/images/ckeditor/files/geranadutasifenusanitu.pdfIn PDF document text
- http://rotarybrescello.it/userfiles/files/rekuxakikarotazewan.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161748072e8f3a---11974908485.pdfIn PDF document text
- http://wpchkg.com/upload/image/file/85923350578.pdfIn PDF document text
- http://jeanthompson.nl/ckfinder/userfiles/files/5406883560.pdfIn PDF document text
- http://rosabaum.de/web/editor/files/68429850237.pdfIn PDF document text
- https://indiansabroad.uk/userfiles/file/45872660361.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/4766385347.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16158567adf7bd---51674654591.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/sozagixazeza.pdfIn PDF document text
- https://nffcd.org/userfiles/files/doreloxosuvuweg.pdfIn PDF document text
- https://pielinks.com/UserFiles/file/wazuvazojo.pdfIn PDF document text
- http://ulv-fogger.ru/d/files/silepijemilojewuk.pdfIn PDF document text
- http://jrecchina.com/ckeditor/ckfinder/userfiles/files/futenarifumigoraza.pdfIn PDF document text
- http://hk-bbc.com/upload/file/54126873955.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-9/file/vimagugezovekare.pdfIn PDF document text
- http://bbdecontra.com/userfiles/files/vuwuji.pdfIn PDF document text
- http://squash-fitness.cz/userfiles/file/41671185519.pdfIn PDF document text
- http://stl-hk.net/userfiles/morekimiko.pdfIn PDF document text
- http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/75961511156.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/komalevavuwofiwufuxowi.pdfIn PDF document text
- http://twapp.freshkon.com/upload/files/mivefid.pdfIn PDF document text
- https://somogyplusz.hu/files/nures.pdfIn PDF document text
- http://tatagz.com/uploadfile/files/duriguta.pdfIn PDF document text
- https://vpmemorial.net/images/file/vipefinozubo.pdfIn PDF document text
- https://aksukartela.com/images_upload/files/75246102049.pdfIn PDF document text
- http://hermandadperdon.es/userfiles/file/68801030051.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/BcFPVxLj4jw/uplcv?utm_term=the+tyger+analysis+line+by+line+pdfPDF 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_off0000eb6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB6F | 10876 bytes |
SHA-256: ce810ab83f25cbfa662d572a1a220bc5cd5583d83e08428e9102589905f869c9 |
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font_01_sfnt_off0001040a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1040A | 19200 bytes |
SHA-256: ca88f1e416b4deeb11607569830b168172705c44f896c2e54f78d549e856d09a |
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font_02_sfnt_off000135bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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