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 are identified as disposable hosting or compromised CMS uploads. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of creating link farms on potentially untrusted infrastructure. ClamAV detection and ML classification further support its malicious nature, likely as a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://yournew.site/wp-content/plugins/super-forms/uploads/php/files/c3a5a612e4vium4292lsfqlc38/fetewupuxejotubej.pdf In PDF document text
- https://impresa-valli.it/file/48621892151.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090a1122086b---rojevazosisigusemoto.pdfIn PDF document text
- https://eghamatkade.com/basefile/eghamatkadecom/files/sakakumivazuvetubagafo.pdfIn PDF document text
- http://honda-vo.com/upload/file/65373416763.pdfIn PDF document text
- http://wernitznigg.at/files/41001373356.pdfIn PDF document text
- http://pengyou-english.com/FileData/ckfinder/files/20210720_AC65F8E049613964.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/1269324026.pdfIn PDF document text
- https://edenestates.com/ckfinder/userfiles/files/50505427992.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/dad820b32b28d6820486899e6b6460b8/73139939959.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/f4cff1ec9f2a5796c42dfb8142a93938/bopag.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/5e315fcec5d636d1dc7ea8796a4d0559/66326913236.pdfIn PDF document text
- http://boschvietnam.com/files/usersfiles/files/tidalogegeximirufamufudu.pdfIn PDF document text
- http://hasdeu.md/data/userfiles/files/61229439044.pdfIn PDF document text
- http://theettiares.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/29012459011.pdfIn PDF document text
- https://estudiowebcolombia.com/ckfinder/userfiles/files/wojifeni.pdfIn PDF document text
- https://emailing-online.fr/uploads/userfiles/file/36521695112.pdfIn PDF document text
- http://okgwa.net/50/files1/file/15429881961.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/e52d8874ca1181d11ccb6030a89150b2/bitetegopovisebi.pdfIn PDF document text
- https://ubk-sad.de/azubi/userfiles/files/38634744672.pdfIn PDF document text
- http://parzenica-bialka.pl/userfiles/files/xorutewed.pdfIn PDF document text
- https://eksiliotomotiv.com/upload/ckfinder/files/30844983590.pdfIn PDF document text
- http://ubest.ru/images/file/74765534213.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/55033069858.pdfIn PDF document text
- http://iqlacpro.vn/emotive/upload/files/dujomiw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=island+of+the+blue+dolphins+test+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_off0000bc01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC01 | 15884 bytes |
SHA-256: 2e3f7894549bc8c94b911677b93db08f89a64f12812e01301321473cc4f8d67c |
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font_01_sfnt_off0000e4af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4AF | 10684 bytes |
SHA-256: f6b097c89cadef6b8cdb749a6e38533477302b617a8108e4d76597ddcd4b8a55 |
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font_02_sfnt_off0000fcd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCD4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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