MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on disposable domains and appear to be part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of embedded URLs and the PDF_RANDOM_URL_LINK heuristic further support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://philabc.ru/uplcv?utm_term=free+fortnite+v+buck+codes PDF link annotation
- http://indianmailbox.com/assets/images/userfiles/files/79441299359.pdfIn PDF document text
- https://torgradio.ru/new/files/file/95318435597.pdfIn PDF document text
- http://arisutour.com/ckupload/files/82609347279.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16133304db3741---dugufazofalalevu.pdfIn PDF document text
- http://etpatatietpatata.com/userfiles/files/54745949134.pdfIn PDF document text
- https://pepinieramontana.ro/ckfinder/userfiles/files/16208025445.pdfIn PDF document text
- http://lagrupacio.cat/file/gezofepubedigapox.pdfIn PDF document text
- https://halkum.rs/files/bavazexujimevobezoxigov.pdfIn PDF document text
- https://chupwo.com/editor_upload/file/31313498962.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/35755190843.pdfIn PDF document text
- http://matrix-corporation.com/upfiles/editor/files/xewenelituzazolojeluloxi.pdfIn PDF document text
- https://hotnewsmd.deca.md/upload/userfiles/files/9389767525.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/f479osrd09jso7651jb4m9tope/xijuzibitamokewoj.pdfIn PDF document text
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/pekuvemuxipirowom.pdfIn PDF document text
- http://www.alcera.ca/userfiles/file/nozovumigeremira.pdfIn PDF document text
- http://elementyzlaczne.pl/media/file/kugokaloduvosevulezepid.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/pudomixoxolufo.pdfIn PDF document text
- http://yidaig.com/uploadfile/file/20210905221930.pdfIn PDF document text
- http://faizleathergloves.com/userfiles/files/91910310344.pdfIn PDF document text
- https://fibaquitaine.fr/cebatrama/userfiles/files/89706232760.pdfIn PDF document text
- http://rinsacars.com/files/others/2147679067.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/80388520889.pdfIn PDF document text
- https://motelandratecuci.ro/userfiles/file/dofox.pdfIn PDF document text
- http://daiichihousing.net/uploads/news_file/kewegibizeripezaxul.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/22114132392.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_off0000d4e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF2 | 17872 bytes |
SHA-256: 245207062bd3d24339de3756af161c327921901184f5ac9faf353ba7ae503018 |
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font_02_sfnt_off00011b81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B81 | 10636 bytes |
SHA-256: cc3a035398ff11d524e45a5fba624433f6c6aefb5eba32219df1e2ff5703e2b2 |
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