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 and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm designed to redirect users to potentially harmful content. The presence of compromised CMS upload links further suggests malicious intent.
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://nomylo.ru/uplcv?utm_term=blue+tailed+magpie PDF link annotation
- https://lescourailleurs.com/upload/editor/file/rupokoradojutix.pdfIn PDF document text
- https://mimpishio2bet.com/contents/files/64923986242.pdfIn PDF document text
- http://vanhacollection.com/images/files/bisupubelebedoserusufuja.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/2311133358.pdfIn PDF document text
- https://profession-your-dr.com/uploads/files/202109040333491548.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161396a0af3950---ruberirukuzofoba.pdfIn PDF document text
- http://hanauhrova.cz/files/57085158574.pdfIn PDF document text
- http://vasset.bg/userfiles/file/80770770394.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615d924c64c32---46248366264.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/80030308021.pdfIn PDF document text
- https://transturist.ba/ckeditor/ckfinder/files/files/guvufom.pdfIn PDF document text
- http://longarmquiltingacadamy.com/fckeditor/userfiles/file/30175312509.pdfIn PDF document text
- https://delcinfo.ru/img/files/files/46215976958.pdfIn PDF document text
- http://webcertain.asia/contentupload/fckeditorUploads/organization_/file/3944157421.pdfIn PDF document text
- http://namhungholdings.com/uploads/ckfinder/files/10994861046.pdfIn PDF document text
- http://debschoen.com/userfiles/file/remopadufotoxevezajoz.pdfIn PDF document text
- http://bidwoodmachine.com/d/files/21669925298.pdfIn PDF document text
- https://aymfly.com/aym_image/files/9865170149.pdfIn PDF document text
- https://m-astar.com/UserFiles/files/notatafafiranikupewo.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/4df7d7c55983befb3b2718075a174e4b/kakapiwefilazije.pdfIn PDF document text
- https://amthanhanhsangchinhhang.vn/upload/files/23845043468.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/nemokirapoderesa.pdfIn PDF document text
- http://massageindex.nl/images/uploads/nupokazi.pdfIn PDF document text
- https://protum.se/file/14897471384.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_off0000d8b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B3 | 10396 bytes |
SHA-256: bd98551f32957db1b4ea29affc265af0ebe10767efd7c08e817bbb80e8c4c1ac |
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font_01_sfnt_off0000effb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFB | 18416 bytes |
SHA-256: 5b48266f4ab4d1154c6b6dac99c538fb8498c42ba7f54cae08010d787009b83b |
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font_02_sfnt_off0001207c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1207C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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