MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or conduct phishing. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9925
Heuristics 7
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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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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://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a4805a48d---xoxemegixutujagurelazo.pdf
- https://avenue102.com/uploads/file/96685000830.pdf
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/csdsl4aasam5ll8hlqoc1d5ut5/43555491001.pdf
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/8d2c1f524be3df30cb68bd433fa5b564/60340586324.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/lj56gmnffod1ahcrt0usag6012/73239759929.pdf
- http://toonesk.com/upload/bavozemimivet.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3d343aa8d---18186364629.pdf
- http://elitvorota.ru/f/file/misisesiberiseto.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/regjk83i6uink7gbbaruraea42/gilebunulifer.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/15312655be783c1aead5bd368d67dc9c/vodajasevunovafubogopuduw.pdf
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/96e1deaecaba67d5827026f27ac1b8dd/nekesijapari.pdf
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/651744870614cc404f79eaa8bec381cb/kapefodigopeseguf.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/27bcb1bab11134360a72d6b6e9a871e6/89290849688.pdf
- http://adveotec.com/img/file/jozowizatuzinobevew.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/8q2g8kd8sq2733cvn9kqqvk0u3/kebibupofifoloz.pdf
- https://alihuata.com/userfiles/file/83952654255.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608deb1634beb---gakujafaru.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7da9544af2---lepidejogoruviwivuja.pdf
- https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/19170832278.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609af7a29e8b7---47737568092.pdf
- https://aplusadvance.com/naver_editor/data/file/mawuvudaboku.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d62a6ea448c---wokowosifojafupew.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/l1menm8haphk4jh2kkku7v5atr/97167159508.pdf
- http://aktifbant.com/resimler/files/zadomefodugurafufunife.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/b3d121080a23ac5ca23313ea5fa818a7/82828804574.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=and+then+there+were+none+rene+clair
- 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_off00011105.bin5e9c4f31f358ac2e914e0dcb5b6d5387779282c9b62da6c0ffc96651c590f8da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11105 | 10364 bytes |
font_01_sfnt_off00012864.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12864 | 16792 bytes |
font_02_sfnt_off00014076.bin961c9a8ed25acd7cc47e29f4469546b9da80347a664eb00164cb85c17018ccc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14076 | 17864 bytes |
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