MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded links, many pointing to disposable domains, and a heuristic identified a deceptive download button. While no scripts were explicitly extracted, the presence of embedded URIs and the overall structure suggest an attempt to trick the user into downloading a secondary payload, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://firmabudowlanawalczak.pl/web/uploads/files/67375297073.pdf In PDF document text
- http://myucpb.com/userfiles/file/45297761030.pdfIn PDF document text
- http://anduong-nhatthanh.com/uploads/news_file/tovezapezokif.pdfIn PDF document text
- http://yachtales.net/admin/userfiles/files/jewiwuselomatezi.pdfIn PDF document text
- http://kite-surf.sk/files/gijopaxibapagut.pdfIn PDF document text
- http://myphamvickwhitebeck.vn/luutru/files/73185409646.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613546ce59d18---zuper.pdfIn PDF document text
- http://konditsionery-reutov.ru/upload_picture/file/98194357158.pdfIn PDF document text
- http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/26735105532.pdfIn PDF document text
- http://valentine.tutaylamhet.com/storage/ckfinder/files/nirurituxixoxibewej.pdfIn PDF document text
- http://metapolar.hu/tmp/weloxak.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161393e959c574---58532089347.pdfIn PDF document text
- http://contua.org/userfiles/file/danikirojuxaxobeva.pdfIn PDF document text
- https://stayinbranson.com/ckfinder/triplebuserfiles/file/ledared.pdfIn PDF document text
- http://severstroysnab.ru/userfiles/file/91614754923.pdfIn PDF document text
- http://a-xian-coat.com/uploads/files/202109011710322253.pdfIn PDF document text
- https://serihosting.com/calisma2/files/uploads/zisutelenaripepilemetiv.pdfIn PDF document text
- http://incomsistema.ru/ckfinder/userfiles/files/15901704998.pdfIn PDF document text
- https://ermolino.mebel18.com/uploads/files/31166480918.pdfIn PDF document text
- https://bushregenerators.com/userfiles/files/vusidebezimirojudud.pdfIn PDF document text
- http://espwireless.net/uploads/file/51103401734.pdfIn PDF document text
- http://daiwavn.com/uploads/image/files/zujebekulasegeladubuv.pdfIn PDF document text
- http://folientastaturen.pl/_data/file/fixevomoworodejerikofofe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=video+downloader+private+file+downloader+and+saver+apkPDF 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_off0000d9cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9CB | 18984 bytes |
SHA-256: 17434dd8687f9cf35b5126adc45958b1f3b252e486560bd72c02ea9224fa1642 |
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font_01_sfnt_off00010ac4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AC4 | 10704 bytes |
SHA-256: d2d9331b4ef7faf5aa2a556c63fa11733bf119e47a41b997c86bfff6445746e3 |
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font_02_sfnt_off0001238a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1238A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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