MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains a link farm pointing to compromised CMS upload storage, suggesting an attempt to distribute malicious content. The presence of numerous external URIs, many hosted on potentially compromised sites, indicates a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dipovubumoziwiveravo.pdf
- https://cafesca.org/ckfinder/userfiles/files/vegaxavawekiliwimesozazar.pdf
- http://autosoftware.company/autoresponders_images/files/wuzovoxosu.pdf
- https://bhandarisurgical.com/ckfinder/userfiles/files/vikupit.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611e44e8423e2---70811468027.pdf
- https://edarky.net/data/file/28067952154.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/6179dae349fd1d1345c7ce806223096b/tanaxa.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cda68a283f---62623736063.pdf
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/8b0aae708ab0c7bd6c07d17d49050daa/81188114362.pdf
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/11md7egir3v52u6pug30tkr29k/7651451249.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/k0vdc5hnsvrjrki04g5n8h27c1/fosevapow.pdf
- http://vigova.vn/Images_upload/files/46468229190.pdf
- http://davidhammerstein.org/userfiles/file/kaxurilisonex.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d3f0271dd64---49079515607.pdf
- http://noithatdangcap.vn/app/webroot/uploads/files/19823557552.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a16ad97740b---bodojanakez.pdf
- https://ngusacdon.com/upload/files/xulopelawifegugitasaba.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/68skoqrnrdb5r3ejv493hvda3r/67642227716.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094318d21507---2586533075.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079a9e557b5f---76844774023.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fcbb33dc1---86102298197.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca24c8f254---26474793222.pdf
- https://kudamatsu.org/userfiles/file/62791041875.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=weldability+of+aluminium+pdf
- 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_off0000dc2e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC2E | 16792 bytes |
font_01_sfnt_off0000f445.bin49065424afe84fe7ffcdffe5c08105cd1da29b57e7f0fe956ae41811e7203c02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF445 | 10736 bytes |
font_02_sfnt_off00010cb1.bine3c50ac7a12d522e5d7ccf6621fcdf41757d78fb938fe430e79be40d6762d056 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB1 | 17356 bytes |
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