MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is a common technique for delivering malicious content or redirecting users to malicious sites. The heuristics indicate it's a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://dreptultau.hotnews.md/upload/userfiles/files/41492586588.pdf
- http://bastola.org/userfiles/file/41254113115.pdf
- http://www.frank-diagn.hu/userfiles/files/6048730068.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c07186fc20---16636561365.pdf
- https://bisleri.genefied.co/ckfinder/userfiles/files/7171304473.pdf
- http://hftyby.com/upload_fck/file/2021-9-1/20210901134905550441.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/tcfauoe2uujln9b0mdmd4vho1l/45873879526.pdf
- https://moraure.net/js/ckfinder/userfiles/files/nakoserutodesepagob.pdf
- http://dentalcenterstudio.it/userfiles/files/kusupupidugimaz.pdf
- https://equalitas.es/userfiles/file/napirulig.pdf
- http://coffee33.ru/archive/file/49144825509.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/nk4t3fcoeu045roefn6omdo4ak/39630391479.pdf
- http://erulingua.hu/uploads/content_files/files/17961590770.pdf
- http://machinesupplier.cn/data/product/file/2021918_151914_401.pdf
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/ffe3230cf762be5050dc82adff278f7d/51510003884.pdf
- https://dichvuketoanvn.org/uploads/files/64046969408.pdf
- http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/labupinotabirekaterodo.pdf
- https://f2h63c2.ip4secure.net/upload/files/31509615292.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a145d4aa58---wafefamuwezebemo.pdf
- http://buyyoutubelikes.com/ci/userfiles/files/dibezuzisowosedekutedin.pdf
- https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/xibalizuparokinuniwa.pdf
- http://pusancard.com/userData/board/file/kunemememimunolebesixixip.pdf
- https://conrays.ru/f/data/58603404359.pdf
- https://signatureshreyas.in/userfiles/file/83761343086.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=famous+recording+studios
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ca7e.bin6d4dafc66a911c83b93db1fc8883e7f22b7e4935d6f6934c676cdb370a74a56c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA7E | 16692 bytes |
font_01_sfnt_off0000f5ad.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5AD | 16792 bytes |
font_02_sfnt_off00010dc4.binb2cd2ba700fbaa4d5c19d67cc2d1ca9f5976563ca7e978bc5505b351c9acd117 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC4 | 10744 bytes |
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