MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one specifically identified as a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and the nature of the PDF structure point towards an attempt to redirect users to potentially harmful websites.
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 https://chcial.ru/uplcv?utm_term=pubg+lite+ka+new+version+update PDF link annotation
- http://papianiarch.it/userfiles/files/83425855335.pdfIn PDF document text
- http://nhadephoanhao.vn/upload/ckupload/files/66343432900.pdfIn PDF document text
- https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/87401001160.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/walamegubilesetaguma.pdfIn PDF document text
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/fb1236f086826dc849545cb0e146a8aa/zanodi.pdfIn PDF document text
- https://psystat.net/candyticket/uploads/page_images/files/xotiparidikotiboni.pdfIn PDF document text
- http://artdental.hu/editor_up/jitemekoburarezunano.pdfIn PDF document text
- https://netshopnepal.com/userfiles/file/79403447567.pdfIn PDF document text
- http://dreamscar.eu/userfiles/file/vanavaranole.pdfIn PDF document text
- https://dp-engineers.com/admin/userfiles/file/fuzafatotemub.pdfIn PDF document text
- http://celeb.huh.hu/UserFiles/File/ziraloxejasakakezodatanek.pdfIn PDF document text
- http://katela.net/userData/board/file/70651593231.pdfIn PDF document text
- https://smlstripedbass.com/home/rock/public_html/ckfinder/userfiles/files/pajajigisujuporizol.pdfIn PDF document text
- http://rhoptik.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/makebupepaniwidegibor.pdfIn PDF document text
- http://studiotecnicodambra.eu/userfiles/files/55241712666.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/kowira.pdfIn PDF document text
- https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/tijexibebetepenu.pdfIn PDF document text
- http://goldartline.ua/userfiles/file/8160782455.pdfIn PDF document text
- https://alkirbilaw.com/userfiles/files/mafawepaliladaxuzurefomif.pdfIn PDF document text
- https://5ky13lu3-1251.com/contents/files/satopunobumezizefosuzo.pdfIn PDF document text
- http://twtqedu.com/userData/ebizro_board/file/22752919560.pdfIn PDF document text
- http://chipgene.com/image/files/20210903_052719.pdfIn PDF document text
- http://handinks.com/ckfinder/images_store/files/26809671109.pdfIn PDF document text
- http://svenskafik.se/uploads/fckeditor/file/jopozuxolam.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_off0000b2ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2AB | 16568 bytes |
SHA-256: 103e8984c16da96b25f22a712d2ed89d67533d77fd6addc711ed1166c9a5b8e4 |
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font_01_sfnt_off0000dca8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA8 | 11052 bytes |
SHA-256: 7f20c1eabf81f773281cad7a5397104cbf37b986f051cf341d1fda97e583ed3f |
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font_02_sfnt_off0000f62c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF62C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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