MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm designed for SEO manipulation, suggesting a phishing or malware distribution lure. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 7
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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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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://sanaspinler.com/calisma2/files/uploads/gikow.pdf In PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300a300f5bc---2721023128.pdfIn PDF document text
- http://brenno-tojestto.pl/userfiles/file/49490504116.pdfIn PDF document text
- https://asi-filter.pl/files/file/25821372571.pdfIn PDF document text
- https://birgatour.mn/js/ckfinder/userfiles/files/dawolokibifutelakex.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/11947299876.pdfIn PDF document text
- http://burragebrothers.net/demo/jolie/beta/userfiles/files/57612417188.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/61335491295.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/a2e8a34ee6ba4d2fde25a48d25ca7b98/buzatasegoladiwen.pdfIn PDF document text
- http://uran-berlin.com/userfiles/file/20830509573.pdfIn PDF document text
- https://mkontroll.hu/File/pusomujadebatutobaga.pdfIn PDF document text
- http://golfvillageonline.com/userfiles/file/godogoxivag.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/18489345928.pdfIn PDF document text
- http://insei.eu/userfiles/files/fovubinupuxa.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/326092915894a252c4bcb53af51991ca/resikurakafav.pdfIn PDF document text
- http://kaies.cn/upfiles/file/4484258991.pdfIn PDF document text
- http://benhvienlaptop.biz/userfiles/file/21774063241.pdfIn PDF document text
- http://brain-sh.tw/upload/file/nofanuxomatikenumo.pdfIn PDF document text
- https://alrashed-alsaleh.com/userfiles/files/57569064204.pdfIn PDF document text
- http://yourmoneyyourbank.com/uploads/File/tubizumezaxuposexuji.pdfIn PDF document text
- http://velocimapper.com/webfiles/file/11784323992.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=polymers+ebook+pdfPDF 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_off0000db8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB8D | 17828 bytes |
SHA-256: f4d93ce899be2e99d4a3d8614fecf6b367dd2dec2c82f29d12a846e7d4aba9aa |
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font_01_sfnt_off000109ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012216.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12216 | 10548 bytes |
SHA-256: 4dbcd54a1cc2629530be8b64049f563c6a018c97f325fb63045091fb7fdc48a7 |
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