MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised WordPress sites, suggesting it is part of a link farm designed to distribute malware. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc8ff3c174---54798538359.pdf In PDF document text
- http://accessprecision.com/userfiles/file/favivitabubiwolob.pdfIn PDF document text
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070865b5ea17---49178564501.pdfIn PDF document text
- http://pratiklinik.com/img/userfiles/files/moputolaneme.pdfIn PDF document text
- https://ekaplast.site/admin/ckfinder/userfiles/files/70518667654.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/4050209c646a505227a14fd8f26c61c8/novusifewezejelukolumi.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16077702d6e491---82496200783.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b028e72c48c---tebuk.pdfIn PDF document text
- http://stellamaris.cz/userfiles/lelilojowepofagibufapoj.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/5dd2ea2b0ed5efe770234e7d240b454c/74320215780.pdfIn PDF document text
- https://htapigroup3.com/contents//files/12960989512.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/6lpdd17ou8717puhrmnehpsf5f/43396032209.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/ccc7ad82f4158bf8b72be42763c3b639/1362483988.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/kutofelopivodopiv.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160cf03619ec35---89045989160.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/fabif.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/a7db4327ada09ddd7569e048b41e6e9e/dilajedazodujakufusazu.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb2eb056c0---50509589266.pdfIn PDF document text
- https://acryl-bg.com/userfiles/file/vuzasoxosexof.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/87340396719.pdfIn PDF document text
- http://frangarcia.eu/upload/file/bomurumanagerekebesagi.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c40e4222da3---98397381258.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/260a4f95b6b9af3fd936c4883fc1e40d/gisuw.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=marvel+spider+man+ps4+mobile+apkPDF 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_off0000f242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF242 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010a59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A59 | 10824 bytes |
SHA-256: dfa4df17caad8277c753e69d77522c5c1beab5cbc7bb86091747337b253cf45b |
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font_02_sfnt_off00012315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12315 | 17080 bytes |
SHA-256: 3fd10dcc93cee3d4d1373fdc01febc15748d05972046e28363d4ae355447a153 |
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