MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm with numerous URLs hosted on potentially compromised or disposable domains, suggesting a phishing or malware distribution attempt. The presence of external URIs and link farms indicates an effort to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.6372
Heuristics 6
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://medvor.ru/uplcv?utm_term=how+to+remove+antivirus+from+android+phone PDF link annotation
- http://cserepakciok.hu/xdata/file/ridoralobum.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613150e358e9f---nokizutidanerebow.pdfIn PDF document text
- https://sporyolu.com/resimler/files/kutomajopuvuzawap.pdfIn PDF document text
- http://shamayachts.com/upload/file/supikalevebegagexemi.pdfIn PDF document text
- https://reniuved.it/file/gutixatubodakekobakorek.pdfIn PDF document text
- https://marblobaths.com/app/webroot/img/files/93574996444.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/c63c1d534c29567cbf364a6eccc60eb9/vabepimolivafemabidedaza.pdfIn PDF document text
- http://nhadephoanhao.vn/upload/ckupload/files/sovuzuvik.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/25847229646.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/zexepizotag.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613e21440aec2---80759059700.pdfIn PDF document text
- http://olymp-kiev.com/temp/fckeditor/file/21230835160.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/78838564966.pdfIn PDF document text
- https://lensmam.com/userfiles/file/86369789005.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/2m83imlupngth32fffr0qe6rbc/99471959805.pdfIn PDF document text
- http://pokebarslo.com/uploads/files/35820399088.pdfIn PDF document text
- http://www.macrolepidoptera.hu/userfiles/files/97291980611.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/95326229582.pdfIn PDF document text
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/161424e56e67ac---mizixopexunobitig.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/mijogidojenoxovugunepofa.pdfIn PDF document text
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/popofozexevapu.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8a163125d15a64c4f5f9d0802d2aa321/jewajerelatotaxiluwoli.pdfIn PDF document text
- http://cafegreenwichvillage.com/uploads/files/lapufa.pdfIn PDF document text
- http://studiodrago.eu/userfiles/files/datasepegugukube.pdfIn PDF document text
- https://maintogelonline2.org/contents/files/goretaso.pdfIn PDF document text
- http://fsgzb.com/upfolder/e/files/20210903091212.pdfIn 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_off0000ee0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001061d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1061D | 17832 bytes |
SHA-256: 30d99defbde771c03eb9f2e283e295938fce24c220904534a9f00fae6fb25fab |
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font_02_sfnt_off000134ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134AE | 10960 bytes |
SHA-256: 6fc67768a7c0e862703d827716cc7f0c920f2d65600fe5303a3039faa9b2a4d7 |
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