MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised WordPress installations or disposable domains. This behavior is characteristic of a link farm designed to distribute malicious content or facilitate phishing attacks. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/3a8e29d2d3999817f7dafa15d0496a42/95520836677.pdf
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac9241d407---60318383872.pdf
- http://rkmaster.ru/uploads/files/28254642958.pdf
- http://sistersaviopublicschool.com/userfiles/file/92611146130.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/slhbet5jjrmu10metfn9arcblp/vujabubimajomuzadexovo.pdf
- https://bbgpiti.com/userfiles/files/78309182437.pdf
- http://bjaimama.com/data/upload/2021/05/file/202105151024174392.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/un91tsbehsgaufojhl04a3lp61/somasojanabigad.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160994259548c2---6663785991.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609df4d889b83---91891203092.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a6afefdcd5d---rapijutamenufogamisi.pdf
- https://armagedonspedycja.pl/files/file/zimuvozen.pdf
- https://aldurra.ly/images-editeur/img/file/bugugo.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0d36df45f---wulanerazuv.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/2eb46c50ddc8840380f0b4ee8e538b59/35657451200.pdf
- http://raiders71.com/clients/4/41/4134020f2f298c111575624a380fabfc/File/tuwugukinijozagijimukik.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cd70d14a41c---vopebugaduzatogogelo.pdf
- http://astro2sphere.com/admin/images/file/binisetufumajuramuv.pdf
- http://vietxetai.com/wp-content/plugins/super-forms/uploads/php/files/gl8i2g3sh07h24su0j6fegrsnh/71061487962.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076dff07323c---modav.pdf
- https://cargotavio.ru/files/file/kovogatinexotaferif.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/vlhm0tdghib39629ob6lpudtd0/rufibo.pdf
- http://tgtech-auto.com/userfiles/file/52036189279.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=accounting+4+everything
- 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_off0000bee5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEE5 | 16792 bytes |
font_01_sfnt_off0000d6f7.bin4c54766c50691945594da8e402e568f7760adf71ce547960debfa161e454c2d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6F7 | 16156 bytes |
font_02_sfnt_off00010005.binc76701910c872fc5cfdc9ed47d8ce8214ff0432b4d64ff287a9ea8277533c111 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10005 | 10472 bytes |
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