MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous embedded URLs pointing to compromised WordPress upload storage and other disposable hosting, suggesting a phishing or malware distribution campaign. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://catamma.ru/uplcv?utm_term=how+do+you+reset+a+fossil+smartwatch PDF link annotation
- http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58202343569.pdfIn PDF document text
- http://j-line.ca/fck_upload/file/newakajeroworos.pdfIn PDF document text
- https://nhatngudongkinh.com/upload/ckupload/files/sogufexujoju.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/177e139bd810d98700470b254e0cbfa3/12021753793.pdfIn PDF document text
- http://museeducuir.org/upload/files/9331159985.pdfIn PDF document text
- http://centronegozi.com/public/xiximijelufefotagepoxi.pdfIn PDF document text
- https://bandotrading.com/uploads/file/82085485560.pdfIn PDF document text
- http://gianniarnaudo.com/userfiles/files/gotuxerub.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/7f39add4a7972b9140eef55ece218cfc/33870098514.pdfIn PDF document text
- https://agermag.ro/mm/file/12083331193.pdfIn PDF document text
- http://stellarp.com/userfiles/files/vimixezuzutafesejaj.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db91ea2957f---liwogarepovavexelejo.pdfIn PDF document text
- http://candybeauty.vn/upload/files/84616348899.pdfIn PDF document text
- https://handinhand-daycare.com/ckfinder/userfiles/files/xukazoxuto.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/bec02cb545e5b5c131328013a206a293/17204828252.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1776130640---20889513374.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/731f99287bf8853a3932ece06d62e7d1/46620508890.pdfIn PDF document text
- https://medtek.vn/storage/file/62096944987.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/916f28ccdd19abfc0a97dfdc541e4f27/86690839898.pdfIn PDF document text
- http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/42784802984.pdfIn PDF document text
- 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_off0000eebf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEBF | 17020 bytes |
SHA-256: 7434c73762ea13df873f416b4ea3caf55ee9149fa208ff2c0fae7ec0d9b4a4b7 |
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font_01_sfnt_off00011b54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B54 | 10928 bytes |
SHA-256: 3e0d6881dda035a1ea232db98e97db06f1253b8a063b60ba88aa9c242426c681 |
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font_02_sfnt_off000134b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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