MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier, indicating malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a distribution point for malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of numerous external links strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1613492b6582d8---51269118591.pdf In PDF document text
- http://shangrilatheshow.com/ckfinder/userfiles/files/nunubakalekizabulolagu.pdfIn PDF document text
- http://manhchenang.vn/webroot/img/files/xavuxiwumo.pdfIn PDF document text
- http://prvugkh.ru/uploads/files/kewufal.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16142864283995---jadeg.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/b1698fae2cd3d72d3af25460a83bbf73/13093578932.pdfIn PDF document text
- http://writtenmail.com/upload_images/file/88076860629.pdfIn PDF document text
- http://fruitvita.com/files/files/lugivutowi.pdfIn PDF document text
- http://hengtaixin.com/HangShun/ckfinder/userfiles/files/kukizekebaterasirekux.pdfIn PDF document text
- http://jts-electrical.co.uk/ckfinder/userfiles/files/72319854778.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/fd29c5b81b9b96b259c20a431a09a68a/86996224977.pdfIn PDF document text
- https://nadrozmerne-sklo.cz/uploads/8779252024.pdfIn PDF document text
- https://angkalaris.com/contents/files/nutigaluvobavo.pdfIn PDF document text
- https://selapro.com.au/application/third_party/ckfinder/userfiles/files/20162588453.pdfIn PDF document text
- http://medicalproduct.hu/images/files/67404088874.pdfIn PDF document text
- https://sierrainstruments.cn/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/4766709988.pdfIn PDF document text
- https://cortemadera.com/wysiwygfiles/file/48168435139.pdfIn PDF document text
- http://sakem.org/userfiles/files/62483049856.pdfIn PDF document text
- http://grgct.com/ckfinder/userfiles/files/betepewelixe.pdfIn PDF document text
- http://baltic-rt.ru/ckfinder/userfiles/files/xetug.pdfIn PDF document text
- https://infotechb2blite.com/bot/ckfinder/uf/files/59354138084.pdfIn PDF document text
- https://alev.az/userfiles/file/ratutigezelusejojuvunuru.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=best+pgp+for+androidPDF 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_off0000bacf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBACF | 10680 bytes |
SHA-256: 3811c811b320fe7a6f7fcf66b8f67542dff426338982dacc0fe0b5e366623ca4 |
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font_01_sfnt_off0000d33d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD33D | 17192 bytes |
SHA-256: 649ad570bbd8e56b2b27ecc16faf9d74f4283502918bca1f9dc9d83ba41967bd |
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font_02_sfnt_off0000ffe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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