MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, indicating a link farm designed to redirect users. The PDF structure and embedded links suggest an attempt to exploit users by directing them to malicious content, aligning with a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://coimbatorepressclub.com/FCKeditor/userfiles/file/zesugazelipovegofizet.pdf In PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/1mcb4cakjhd9295sl4uejchoao/94939318281.pdfIn PDF document text
- http://thrifthelp.com/flash/thrifthelp.com/file/ravotolonujawilavarepa.pdfIn PDF document text
- https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/77222962828.pdfIn PDF document text
- https://aspirans.com/files/file/dusurolabezulivewoxan.pdfIn PDF document text
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/d3a26bf5fd0ac23057dbd0d77c37fca8/98794595641.pdfIn PDF document text
- http://tsradviseurs.nl/mailing/images/photo/file/25700815072.pdfIn PDF document text
- http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/bubakeg.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/db873ceb3c73babbec4f87224890d941/62834168010.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/3c5b9fc9f0fe1c5c87a440cc4e40b43a/90212934747.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/gasurapilaj.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097553c973aa---43429317346.pdfIn PDF document text
- http://tasteofruraleurope.eu/upload/File/vaneveselitibamugomobur.pdfIn PDF document text
- http://apsara.ru/userfiles/file/44516432750.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b565981601---wenoxoriliwemeloriba.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/3568311023.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084227454e27---8270622215.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/mopazalorakavizufojuzak.pdfIn PDF document text
- http://sampoernastrategic.com/uploads/image/files/makorobum.pdfIn PDF document text
- http://koryosushi.com/uploads/files/fejilavegiwumezibeper.pdfIn PDF document text
- http://susasoft.com/upload/userfiles/files/83946592857.pdfIn PDF document text
- http://eventologia.com/userfiles/files/39538585324.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/161281a36422f1---22047630858.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=writing+numbers+in+words+worksheet+year+5PDF 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_off0000c5e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ddf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF7 | 17040 bytes |
SHA-256: c3c2789fed44ed39b10734ca46cbbd67718fa2ff527366339c351f660dffe85e |
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font_02_sfnt_off0001092d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1092D | 11308 bytes |
SHA-256: 9ac9ccd7a07aaa9974ce458b7a2208a0e1bd67f2af0fbb6d065738eb57dceb35 |
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