MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to external sites, some of which are hosted on compromised WordPress installations or disposable domains. This suggests the document is likely a lure for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://scandirent-new.ru/uploads/assets/file/xinatakewogowisiriwudutu.pdf In PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/6og3h0t3oj0lr1t8vi7hr79ost/83401069507.pdfIn PDF document text
- https://santevita-bg.com/ckfinder/userfiles/files/14074327143.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd881e6ce57---rujov.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098368089ef9---27636511650.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/7d0a9632588d567720f407da7154e434/lurazojituvele.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d61a21c02---ratalof.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085b1c02ac13---tagoxelefon.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/d8d58be51543f183d7cd06564c29c599/4018706595.pdfIn PDF document text
- http://logtech.cz/foto/Image/file/64729049750.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/fa467a42d28639ce851e4cdbc8df1a6e/21424721965.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/0m21p2r1q33pfuf1gh3pfhm6v5/34988617581.pdfIn PDF document text
- http://tsradviseurs.nl/mailing/images/photo/file/52213435980.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/80100689629ede727d902434452e6135/52271745759.pdfIn PDF document text
- http://didocrosby.com/imagenes/file/bizosagudonilo.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/36713549274.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=the+lightning+thief+percy+jackson+and+the+olympiansPDF 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_off0000d57a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD57A | 17104 bytes |
SHA-256: 38f5fd8b2c5f59ff7562bc9e9acf23fc4a57ae2113b6490636a993af7c3a2f32 |
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font_01_sfnt_off000101aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101AA | 11368 bytes |
SHA-256: 0d8254244833218bc9cf02189e2bc72a586f565ed593e0cd3ae85029504124ed |
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font_02_sfnt_off00011c09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C09 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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