MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting, characteristic of a link farm used for phishing or malware distribution. The presence of these links and the overall structure strongly suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://synerhu.ru/uplcv?utm_term=battle+city+online+2+players PDF link annotation
- http://studiospazioambiente.it/userfiles/files/guxure.pdfIn PDF document text
- http://unicorn-furnitures.com/d/files/98354015448.pdfIn PDF document text
- http://marketypik.pl/zdjecia/fck/file/84619124676.pdfIn PDF document text
- http://obrienbuilders.com/userfiles/file/safefusin.pdfIn PDF document text
- https://franciscovalles.comtraining.cl/userfiles/files/31285814087.pdfIn PDF document text
- http://studioguidobarbieri.it/userfiles/files/13842917930.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/a7473df49f5f5ceb58fe4985bbdabc3f/39999664273.pdfIn PDF document text
- https://metrosecuritynepal.com/assets/userfiles/files/85875534731.pdfIn PDF document text
- http://daedukgs.com/admin/fckeditor/data/file/20210907215137.pdfIn PDF document text
- http://euro-ex.com/images/blog/file/72615507226.pdfIn PDF document text
- http://back2wood.de/userfiles/file/somobake.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/44058592263.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161396a361e128---zegenotafepidosilefari.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/26526881188.pdfIn PDF document text
- https://projectmine.hu/ckfinder/userfiles/files/69368821644.pdfIn PDF document text
- https://tenekedjieva.com/uploads/file/40070172533.pdfIn PDF document text
- http://nelly-design.ru/upload/files/3836079387.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/57098507928.pdfIn PDF document text
- http://hoangminhphatkorea.com/webroot/img/files/vupudutozanojabe.pdfIn PDF document text
- https://datawire.gr/files/files/kutiregizusukuferiw.pdfIn PDF document text
- https://markmont.eu/editor_uploads/system/files/nigixejabusalofi.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/06h1qk6uk41o2et5kbdt4q9q21/35051615841.pdfIn PDF document text
- https://techlan.pl/files/file/vulilofafu.pdfIn PDF document text
- http://rayanchem.com/d/files/23705999693.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_off0000dfa8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BA | 18048 bytes |
SHA-256: 3ff7fb459e1fe0f2aa0d3ff27742dc0a43f13ce37c038f5a540b1530ad063239 |
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font_02_sfnt_off00012718.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12718 | 10656 bytes |
SHA-256: d370a46a8a90fb0a797a019fbdd224888e8c5b0bb6836deb28f48f349ccee542 |
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