MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, and heuristics indicate it functions as a link farm on compromised WordPress sites. The presence of invoice-related language suggests a phishing lure, likely intended to trick users into downloading a secondary payload from one of the provided URLs. No scripts were extracted, but the PDF structure and URL patterns are consistent with phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/0ff2gu7rmknkf0ldt7e043hvf0/kosokagofuledefebixe.pdf
- https://manuscripthandler.com/userfiles/file/74838588971.pdf
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/5045c688784d24c86887ca300a23ce2a/xosefevexe.pdf
- http://ibconsulting.it/userfiles/files/jakomelosujilugajo.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a85bb6b89ca---garofuv.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed77324f60---29139022324.pdf
- http://king-pro.com/userfiles/files/29136490551.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d86874e7a65---94607811993.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ff63d3d66---87409170868.pdf
- http://wsp.pl/userfiles/file/46503134940.pdf
- http://tuzvedo.hu/elemek/file/lubisalevogobugemapuli.pdf
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/990tvh2g5p2r00va7b16bhgg91/81649286566.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16075e1ab99ee9---risudazisaxevopemazega.pdf
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/qvm9hsfmha458t7tf8omu3d6n3/22919186043.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2c2be1f75e---lilawemunabezetesefiv.pdf
- https://mosallaesf.ir/uploads/ck/files/tudulonawarenalumiwewak.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a19d3dfa82---laxirutagema.pdf
- http://doubles301.jp/files/ckeditor/files/mesukaturiraro.pdf
- https://xlspandoek.nl/userfiles/file/kukotapuloloveka.pdf
- https://bdsvieclam.com/upload/files/18884392522.pdf
- http://mayfamilycircle.com/clients/5/53/53cd9f4101e72b768929e5daf979c2da/File/wewonogitirajidolab.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077f2c5eb5ab---1514205251.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7817f0cf7---88564483040.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+calculate+consumer+surplus+and+producer+surplus
- 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_off0000eae9.bin1e300e411249ba4e05b4a045c40d9bc148f882bed69cdf4a0de25e620a2bffe4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE9 | 10760 bytes |
font_01_sfnt_off000103a9.bina421097a9342e4177a5e324781a4ad912d7965494fb91262f4a105a3e600fb7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A9 | 18084 bytes |
font_02_sfnt_off000133ca.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133CA | 16792 bytes |
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