MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to numerous external websites, some of which are hosted on disposable domains. The presence of embedded URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest this document is designed to lead users to potentially harmful content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://nomylo.ru/uplcv?utm_term=connect+any+wifi+without+password+android PDF link annotation
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/9308185103.pdfIn PDF document text
- https://spandoekland.nl/userfiles/file/nonisirajixuwexexubal.pdfIn PDF document text
- http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/24044463253.pdfIn PDF document text
- http://hyundai-baoloc.com/luutru/files/50846728098.pdfIn PDF document text
- https://777mto.org/contents/files/muselul.pdfIn PDF document text
- https://zniczekowalczyk.com/user_images/file/rewiper.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/wuxumojitozatotikofala.pdfIn PDF document text
- http://hyeminshop.com/DATA/files/selolojuvilaxiwobuwiwupo.pdfIn PDF document text
- https://www.pactforfamilies.org/ckfinder/userfiles/files/40348273603.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161408afff00af---nogadalumusavoxijubi.pdfIn PDF document text
- http://nhanvietgroup.com/demo/xay-dung-tnx/upload/files/tufazonenupebubuvijo.pdfIn PDF document text
- http://findusafranchise.com/files/files/41830688085.pdfIn PDF document text
- http://ketphatthinh.vn/upload/files/vatizodesapulekevidiwad.pdfIn PDF document text
- https://keluargamimpi.com/contents/files/pizejesibuwelimovagido.pdfIn PDF document text
- https://tekdalyapi.com/upload/ckfinder/files/madexitijanatit.pdfIn PDF document text
- http://mfcpavpos.ru/file/54677671221.pdfIn PDF document text
- https://ladangmimpi2.com/contents/files/21154369780.pdfIn PDF document text
- http://grandioso.asia/editor_upload_image/file/91389295563.pdfIn PDF document text
- https://latrinquette.com/upload/editor/file/52807360484.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/26933422936.pdfIn PDF document text
- http://live-net.it/file/rejivusawixav.pdfIn PDF document text
- http://archinfo.ru/uploads/file/43283927023.pdfIn PDF document text
- 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_off0000d15f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD15F | 17900 bytes |
SHA-256: bdcde043a6206a4316cbe8d963f363d4d0a586a53edddd8cda0651246d6be0d8 |
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font_01_sfnt_off0000ff06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF06 | 11000 bytes |
SHA-256: 05073002fe1e130d15d7f213fefee853043be1f0d9215ef9602ca7aa4bb5a041 |
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font_02_sfnt_off000118aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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