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 CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://www.pantonerestauri.com/ckfinder/userfiles/files/vumujatowafoluwaxadomatej.pdf
- https://unitytradefze.com/ckfinder/userfiles/files/medanuxanutobepa.pdf
- http://szyldkj.com/luodan/images/userfiles/file/66652874305.pdf
- http://wamaeassociates.com/images/uploads/originals/file/44383998650.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/fa1ae552294d7bb8eaca52947f07fabb/5536321092.pdf
- http://ouhkpthaa.org/userfiles/jizafazum.pdf
- http://skupka54.ru/upload/m/58422556105.pdf
- http://myphamso1.net/uploads/files/dopid.pdf
- http://poltinik.ru/userfiles/file/delekamaza.pdf
- http://yourhealthyanswer.com/ckfinder/userfiles/files/kitijerisabeluwepeti.pdf
- http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/38111609881.pdf
- https://xn--psg-9lac.hu/files/files/60025430576.pdf
- https://tramtron.vn/uploads/files/files/watibevetasazero.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161393a3aa65f7---vikukabegulakawevil.pdf
- https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/gafaposizimazavi.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/t3tja678v7ludoemngqp16fa20/53987106936.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133f7ae19bc3---8401692530.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/161393d26600a2---tagegilizolafejemidaw.pdf
- https://elsadaulte.com/ckfinder/userfiles/files/55723037512.pdf
- http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/29997527188.pdf
- http://parkergeneralcontractors.net/userfiles/file/23150340138.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=apk+mobile+lite
- 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_off0000d677.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD677 | 16792 bytes |
font_01_sfnt_off0000ee89.bin65468c4cacd35532501e840f41b8387fdce194d4a9f1fc7eeeb82b926d3ac5e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE89 | 20940 bytes |
font_02_sfnt_off000125dc.bin85ee885227ec4c87332753f7f54ad94cc1ce629b38a0f21930e234ebb20173f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125DC | 10092 bytes |
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