MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for delivering malicious content. Several heuristics indicate the PDF acts as a link farm, directing users to compromised websites and potentially disposable hosting. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d8af534e1---39335236850.pdf
- https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/chkmbkgvqjmaaseeopocvgkcru/47143643003.pdf
- https://bettyloupaints.com/userfiles/files/9028884459.pdf
- http://selfmadefilms.nl/userfiles/files/funetogavixa.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc92190bd3---nonusolowajurinexidafoxub.pdf
- http://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23212848808.pdf
- http://mountcalvary76.com/clients/9/90/9062e1c9f2360b2cedac6e2854879500/File/nexawizoz.pdf
- https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a76195199---rofizaselat.pdf
- http://samsung-service-center.ru/uploads/files/89455367291.pdf
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/6263eac70024a8b2394445fa07eede59/60642912587.pdf
- http://botosani.ro/img/uploads/file/giwepuzonal.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5db9e6b209---65893591555.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/ec72a2631df50f52ab79fe59e62a1f58/79102805961.pdf
- http://aucoindeshalles.fr/menu/file/dikivofegedebusafemigo.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753f13229a8---vuwegisodo.pdf
- http://digivideos.net/ckfinder/userfiles/files/wokosavapukamitogumipu.pdf
- http://lab4050.com/upload/editor/file/38902953284.pdf
- https://damsindia.org/admin/uploads/file/80038815017.pdf
- https://grupo.iberia.es/js/ckfinder/userfiles/files/natisifijojixedob.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/801996df7dc03b1b91a567548049c8ba/8133025102.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a02f02d744f---bekewimitejogaw.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/6929h3gelfq1g3f7ecudo7lg60/84015341911.pdf
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/9u6do38jgkpfl19beop8cncn91/14806782467.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a05a575577f---92848293520.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=word+problems+involving+factoring+polynomials+with+answers+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_off00028abb.bin4e8f013dfba109b0f049845aa6bf5932b2f4064ef11b850da2bb2dc17b48b50e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x28ABB | 17796 bytes |
font_01_sfnt_off0002b968.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2B968 | 16792 bytes |
font_02_sfnt_off0002d17f.bineff133daa0c80edb4ec34ca3c257341a666d97f8ac106155781bb5c67c9c0f3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2D17F | 11464 bytes |
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