MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://stauarchitetti.eu/userfiles/files/towakutanin.pdf In PDF document text
- http://www.satunatc.ac.th/ckfinder/userfiles/files/daziwageweresafeworere.pdfIn PDF document text
- https://holcom-wd.com/webroot/img/files/lejeburuzejagebifeponiz.pdfIn PDF document text
- http://skia22.ru/pic/file/35609333380.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/abc52610349d6bb9da51588fb283c3e3/gomalat.pdfIn PDF document text
- http://lauraestetica.com/userfiles/files/gotimam.pdfIn PDF document text
- http://rongqichem.com/upload/files/wafogetut.pdfIn PDF document text
- https://leo.tw/upload/ckeditor/files/1883079267.pdfIn PDF document text
- http://chiangmai-esc.net/user_img/files/36842057032.pdfIn PDF document text
- http://sicilyontable.it/userfiles/files/zudew.pdfIn PDF document text
- http://yuanyoujie.vip/userfiles/file/jezopewobibavilima.pdfIn PDF document text
- http://mecaniquekd.ca/upload/file/vizamiwafewuke.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee9ea31e9d---46847126554.pdfIn PDF document text
- https://pro-biomed.com/admin/userfiles/file/22829292069.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/knh2hdv34ifc4bhfhh43l61mub/45965948192.pdfIn PDF document text
- http://deauville.ru/files/file/xijevedokijatoworo.pdfIn PDF document text
- https://taiwancy.com/app/webroot/userfiles/files/lefixefibevisokozali.pdfIn PDF document text
- http://herium.net/FileData/ckfinder/files/20210915_432EF90CA67BE534.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/tt3t7c8l508uot64sci3crrmor/dotoguzamofenetesizuvu.pdfIn PDF document text
- http://tolaniprojects.com/userfiles/file/bipebokumunabo.pdfIn PDF document text
- https://rjpexport.com/files/58363160937.pdfIn PDF document text
- http://yangpupark.com/uploadfile/files/pobam.pdfIn PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/vitekibikuzijegijuta.pdfIn PDF document text
- http://www.siposferenc.hu/html/21824253476.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=african+hair+braiding+shops+near+me+openPDF 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_off0000cdf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDF2 | 17608 bytes |
SHA-256: 8e0adc9192892a9fd6c54e783c690e598ff63725656ec920aa16f0bc00e8a360 |
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font_01_sfnt_off0000fc13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001142a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1142A | 11044 bytes |
SHA-256: b6c902e381675e623f9262ccdce50c9b9c55e8074329b191d743fd9fc085450d |
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