MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to direct users to external sites, consistent with phishing or malware distribution tactics. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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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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://infrive.ru/uplcv?utm_term=harga+hp+samsung+galaxy+grand+prime+second PDF link annotation
- http://jpind.pl/userfiles/file/52877555535.pdfIn PDF document text
- https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/24596651310.pdfIn PDF document text
- http://kamienneogrody.com/userfiles/file/zelufelaluxoxexiw.pdfIn PDF document text
- http://indigobaby.eu/upload/files/judoki.pdfIn PDF document text
- http://awkontrakt.pl/ckfinder/userfiles/files/73943129095.pdfIn PDF document text
- https://jvlegacyhomerepairsmd.com/nbloom/fckuploads/file/58625127819.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a8955b15c2---77225724189.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/18750880633.pdfIn PDF document text
- http://alpes-de-haute-provence.proximeo.com/ckfinder/userfiles/files/98074455114.pdfIn PDF document text
- http://parateam.cz/file/46750647892.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/38266615351.pdfIn PDF document text
- http://banner-ever.com/ckImg/files/75635353004.pdfIn PDF document text
- http://mebelhotel.ru/userfiles/files/86164616341.pdfIn PDF document text
- http://thietbiytedaibao.com/media/files/gosuwodekafidipene.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/26427310660.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613864c3cbc5f---3512072268.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613854f18d56c---waruvuzo.pdfIn PDF document text
- http://stellamaris.cz/userfiles/vefinemaka.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613de94721ff3---48353978464.pdfIn PDF document text
- http://aromacosmetics.bg/assets/userfiles/file/rawetilobovi.pdfIn PDF document text
- http://luchetti.it/userfiles/files/dawesiguxitokan.pdfIn PDF document text
- 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_off000105f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011e09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E09 | 11172 bytes |
SHA-256: ea523c3b0e144d020afa5b5bcd870be2368ceb4b64cb8306fb05eba591b22255 |
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font_02_sfnt_off000137b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137B1 | 18928 bytes |
SHA-256: 4ea612dd646740f91ec5850e650abefb5e7f00b160b77b16559cf3f10a630fe8 |
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