MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many of which point to compromised WordPress sites. These links appear to form a link farm, a common tactic for SEO manipulation or redirecting users to malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9806
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://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2a3a342a0675c371c1d6fb3d8ebf855e/13654119627.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/efd99c7159998dc2e8ac320e257413a8/vigemuzi.pdf
- http://elitvorota.ru/f/file/figiwonu.pdf
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/7dcfb24e0aa71a26e62e27781fab4165/sovozekoramokej.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2fd0722c2---60709754342.pdf
- http://dakmet.pl/upload/34574541016.pdf
- http://autodilykanka.cz/cmsimple/images/file/67344247539.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832762b5ad4---wirekixinor.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c91ee7245bf---26792889055.pdf
- http://pphu-joanna.pl/fckpliki/file/mopedip.pdf
- https://lawrenceyezersky.com/userfiles/file/funebedakuve.pdf
- http://hitecds.com/userfiles/file/25106385288.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/222aa4558e7c5fd3e331057478e3f957/pizafonaper.pdf
- http://banlinhkienlaptop.com/userfiles/file/44972304360.pdf
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/5e216f7006abf2e1d324e6055b46d9b7/13824537575.pdf
- http://starlightcelebre.com/clients/4/43/43e9139217482d7666ce300faf566241/File/62969379121.pdf
- http://altaprecision.com/userfiles/file/72422282628.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/5v5plr12iqjpjmkakckost2c64/wivavorut.pdf
- http://peach2560.xyz/js/ckfinder/userfiles/files/95040284304.pdf
- https://artenika.pl/fck/file/xizivekiromazigimodumujat.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/6itj8aacj4u3j987175rhlo6d0/39406334610.pdf
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae7e18f4229---lozurekoxujovazogakiris.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/72q0koc16nm5atr8tsr6f3eso4/lujogazito.pdf
- http://johncarroll1967.com/clients/1/18/1896e795ecc2602204d707ec4e69586f/File/korawafogafodapa.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/9d0ae3fdbe0d87502ec32a897ef94331/19688378558.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083dda5610ec---bunigurikibabol.pdf
- http://immobilieninvestors.eu/userfiles/file/52659250675.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=cook+home+builders
- 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_off00010ef7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EF7 | 16792 bytes |
font_01_sfnt_off0001270e.bin7a73e4d7c12340a7c645b2d8972f2ecec3a8414939daaa84c02650da4c5586af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1270E | 10512 bytes |
font_02_sfnt_off00013ee3.bin9f43600fce7a6113b76ab3e87aac2ba407f10863bdb9ed45ba8993b0b0685f5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EE3 | 17984 bytes |
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