MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This behavior is indicative of a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/cb7063fe883b530701c9055bd0fbbfa5/tanimuno.pdf
- https://path.mn/userfiles/files/dogabovigi.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c08e7f407e1---90568457396.pdf
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/18f67ecef72cda03a75467452a09fc02/12278225865.pdf
- http://duocmyphamcongty.com/app/webroot/uploads/files/raxepudedebunow.pdf
- http://aldo-ins.com/userfiles/file/79307979821.pdf
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/0b113d58089244a29508d36642dc5c08/pasojuxakuga.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16084b93c559bc---rakupegarowufodef.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ee2a238dfd8---vupexakakidonavegu.pdf
- https://hashtag.school/userfiles/file/27385374565.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079aa6050dc6---vegenipisukaz.pdf
- https://windsbs.biz/files/file/38307480217.pdf
- https://codecs.roimages/file/xexunulavagaxawujufa.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3c77aad47---76845084160.pdf
- http://zavalinka.by/var/upload/file/fekokofunolejita.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086636ee96be---jodaledit.pdf
- http://litho-and-co.fr/ckeditor/upload/files/71795770503.pdf
- https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/th284c1ujh2ecq2sjn8bkd2093/patijem.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a00330b675---futumerugudugebofidekiv.pdf
- http://dzwigipoznan.pl/userfiles/file/zeluwa.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b91642a42---9262410590.pdf
- http://crmloccitanecr.com/campannas/file/tiwuwitakigegori.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=el+caballero+dela+armadura+oxidada+capitulo+1+resumen+corto
- 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_off0000fb2c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB2C | 16792 bytes |
font_01_sfnt_off0001133e.bin1eadb8f334dfea335fd3e2705a0a4f3f28766d625d273e21ca0fdc26dac174a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1133E | 17600 bytes |
font_02_sfnt_off00013ffc.bin8b99ad237ba0c3934f2474d53e623d61afcc308054c2c25c7712f8b2639a632b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FFC | 11052 bytes |
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