MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs, with one heuristic specifically identifying it as a link farm on disposable hosting, suggesting a phishing or malware distribution lure. Although no scripts were explicitly extracted, the PDF structure and URI patterns are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://vuonlan.vn/data/upload/files/4238403329.pdf In PDF document text
- http://vekosgroup.ru/userfiles/file/bojowuz.pdfIn PDF document text
- http://sanarina.de/ckfinder/userfiles/files/torarenox.pdfIn PDF document text
- http://viral-list-monster.com/ckfinder/userfiles/publics/files/dezadanabajor.pdfIn PDF document text
- http://chinastom.ru/userfiles/file/97153108510.pdfIn PDF document text
- http://kfnmsz.com/upfolder/e/files/20210910120400.pdfIn PDF document text
- http://zekejozsef.eu/FCKfeltoltott/file/35834613181.pdfIn PDF document text
- https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/wewarotuxelofisasotoxata.pdfIn PDF document text
- https://newshieldinsurance.com/demo/gsa/final/images/file/12173845114.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/86570936976.pdfIn PDF document text
- http://hertzlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/36237589642.pdfIn PDF document text
- http://maivietnamesecotati.com/uploads/files/70699036914.pdfIn PDF document text
- https://keluargamimpi.com/contents/files/dapugebibududetatuneza.pdfIn PDF document text
- http://princeverma.in/uploads/files/56458341220.pdfIn PDF document text
- http://knupress.com/pds/editor/file/bideweximijir.pdfIn PDF document text
- http://sprostredkovanieuverov.sk/res/file/38202930646.pdfIn PDF document text
- http://poetische-malerei.de/web/editor/files/padegaxuwuweba.pdfIn PDF document text
- https://kit-veron.my/ckfinder/userfiles/files/vebuza.pdfIn PDF document text
- http://africareview.in/userfiles/file/70076421881.pdfIn PDF document text
- http://kimdaiphatsteel.com/Images_upload/files/94375488021.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161367750e1423---nasixusadawesulirexo.pdfIn PDF document text
- https://alident.centralcms.cloud/galeria/files/lenewoxekasovupokano.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/29636383823.pdfIn PDF document text
- https://kovrdom.ru/sites/all/sites/default/files/file/bajalem.pdfIn PDF document text
- http://nsmpublicschool.org/slbdavbatala/userfiles/file/zodidijopovarut.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=my+android+touch+screen+wont+workPDF 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_off0000db14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB14 | 10808 bytes |
SHA-256: 33cb93db611580c6cbf815ec86176a1205a56a52cee08fc3b04804b06531616f |
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font_01_sfnt_off0000f408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF408 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C1A | 16480 bytes |
SHA-256: b155b33d236d7ed3420f049bd33627a1b5b7c12afeecb5fb5eb7aeed5bd31780 |
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