MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to compromised CMS upload storage or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of creating link farms on potentially untrusted domains. The embedded JavaScript, while not fully analyzed due to obfuscation, is a common vector for malicious activity within PDFs. The ClamAV detection further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.5042
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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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://olterus.com/contents/files/xilivokopem.pdf In PDF document text
- https://soi.icami.mx/ckfinder/userfiles/files/60321238518.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/wodepo.pdfIn PDF document text
- http://fashionflutters.com/ckfinder/userfiles/files/sikupu.pdfIn PDF document text
- http://thai-apsproducts.com/file_media/file_image/file/xakerevokalepez.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bca9ebbedf---68367308478.pdfIn PDF document text
- http://headlinesdinerla.com/uploads/files/vamufodedoraxebosefep.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fca2d1dd69---mereme.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614003451c0e7---soximolipuvug.pdfIn PDF document text
- http://f-okinawa.com/img/tmp/file/nikukobuzumoves.pdfIn PDF document text
- https://satuldelut.ro/ckfinder/userfiles/files/79089450056.pdfIn PDF document text
- https://huangs.tw/uploads/files/202109080549185592.pdfIn PDF document text
- http://toyotarent.hk/FileData/ckfinder/files/20210910_808872C6DF88D543.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134a74a4ebad---nilav.pdfIn PDF document text
- http://teen.plovdivweek.com/js/ckfinder/userfiles/files/dorifukiwupulibek.pdfIn PDF document text
- http://maryalo.com/userData/board/file/46210141272.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/887355f3e1cb90e0d1d6ebe4c635689e/molesonurosoka.pdfIn PDF document text
- https://interior-mark.com/ckfinder/userfiles/files/81323265714.pdfIn PDF document text
- https://goez3.com/10005001208290177/ckfinder/userfiles/files/22443677928.pdfIn PDF document text
- https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/47808246614.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/fezogexutomupox.pdfIn PDF document text
- http://proximeo.com/ckfinder/userfiles/files/73542341368.pdfIn PDF document text
- http://behtarinekhodetbash.com/files/files/26952668853.pdfIn PDF document text
- http://sithome.com/upfiles/file/20210914140855.pdfIn PDF document text
- http://baheth24aqari.com/ckfinder/userfiles/files/ledafoniwuxadexewojafume.pdfIn PDF document text
- http://tecs4.com/intranet/ckfinder/userfiles/files/71314553778.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=name+the+biggest+and+smallest+landlocked+countriesPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e248.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE248 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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