MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and the classification as 'Pdf.Phishing.Trojan' strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f14a15b801---julokunusibav.pdf In PDF document text
- http://colorfulmedia.de/fotki/fotki/file/18375989695.pdfIn PDF document text
- http://assessmentinsight.com/ckfinder/userfiles/files/guduvamupumusitodesufole.pdfIn PDF document text
- http://meetburgerusa.com/uploads/files/38821482518.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16084564ec8dba---73704236350.pdfIn PDF document text
- http://clingac.com/d/files/36027685670.pdfIn PDF document text
- https://egyediajandekotletek.hu/mvc/userfiles/file/rikavowika.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/d6774585e4e6878679e746c0008bd8cc/1436178826.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612a6dcf67e71---wujunuxisatusobu.pdfIn PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/8c4445b8520e7432f9519471d722deec/42044121274.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/16393b3d95b8cadeb93876259907b17f/79705736531.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/b78031b4e5873abbd623f4e00f44c4ff/denidigumanaxonoli.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/5134695049.pdfIn PDF document text
- https://atlantidegattico.it/file/69802890227.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b020ea09b73---votifinoxorazin.pdfIn PDF document text
- https://dalton-english.com/userfiles/file/ruvomabifeb.pdfIn PDF document text
- http://sdtrafficticketlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/42835213148.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcbc75c053---pevosumudadalafo.pdfIn PDF document text
- http://theettiaresottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/19890745905.pdfIn PDF document text
- http://podlahypilat.cz/admin/file/43859157560.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dde428e3269784efc751c5790781953b/batukipuvuwapa.pdfIn PDF document text
- https://kitapkaplama.com/upload/ckfinder/files/8552313246.pdfIn PDF document text
- http://www.truca-taoules.com//ckfinder/userfiles/files/97219706023.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/2ada5325182d9810715fb04303f9b02e/kelafefaniz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=mchat+form+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1E0 | 17684 bytes |
SHA-256: 7523cef77041c9ade302216cb514d05164c6443e9b709124beeedd374d4bc02e |
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font_01_sfnt_off00010f11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012728.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12728 | 10336 bytes |
SHA-256: a8e193f7037c1d1fc3f50b1bdb727458ebc77584d5d0f0c0b3dcc43e9cbb015a |
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