MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV and an ML classifier as malicious. It contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, a common tactic for phishing or distributing further malware. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically identifies this behavior. While no scripts were extracted, the structure and heuristics strongly suggest a malicious intent to redirect users through a series of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://coffeetuanvang.com/Images_upload/files/paridutirixanibiti.pdf In PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b373252ba3---26998718500.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d17ef83a0c---zupebilujikanivam.pdfIn PDF document text
- http://bbhshipyard.com/userfiles/file/26610399059.pdfIn PDF document text
- http://montex.pro/uploads/userfiles/file/86938067082.pdfIn PDF document text
- http://talk200.com/admin/admin/uploadfiles/file/xodamoke.pdfIn PDF document text
- http://architectureanddesign.it/userfiles/files/70551076927.pdfIn PDF document text
- http://gongin.humenia.com/upload/userfiles/2021/09/files/210912151614.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/fiwimevi.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/figadikonogasifexuxatut.pdfIn PDF document text
- http://balie.overeembv-profielen.nl/upload/files/44687747627.pdfIn PDF document text
- http://xn--80aap0abfiql8h.xn--p1ai/admin/ckfinder/userfiles/files/jewixew.pdfIn PDF document text
- http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/lituzibexap.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210909083049.pdfIn PDF document text
- https://it-remarketing.pl/app/webroot/media/files/zurikonebidefefiwufitupe.pdfIn PDF document text
- https://anukulagrotech.com/ci/userfiles/files/8528038497.pdfIn PDF document text
- http://hamdannepal.com/userfiles/file/87541872180.pdfIn PDF document text
- https://dla-pracownika.pl/pliki_user/File/sapeluwutikipi.pdfIn PDF document text
- https://limsurdua.com/contents/files/piromijinurimugidefamo.pdfIn PDF document text
- https://soosekszer.hu/upload/files/detinafedefulurag.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/36438921429.pdfIn PDF document text
- http://gleb777.com/fck_upload/file/xejafisobumo.pdfIn PDF document text
- http://jumpstart.mobi/ckfinder/userfiles/files/kaberoziniwamaputareb.pdfIn PDF document text
- http://vagyonvedelemszolnok.hu/admin/fck_upload/file/37003247956.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-11/20210911131316740164.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=the+meursault+investigation+pdf+free+downloadPDF 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_off00010676.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10676 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011e8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E8D | 11160 bytes |
SHA-256: bc83b43bf5d580afa8be004fd9c30345ea44d4b951c3dccbfc4757d0daf18fd8 |
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font_02_sfnt_off00013849.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13849 | 20332 bytes |
SHA-256: 773e3490e045d74ef60467fe27dc451eb747192e2e71ac0398a989c1b546111f |
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