MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting it is part of a link farm designed to redirect users to malicious content. The ML_NYX_PDF_MALICIOUS heuristic and the PDF_SEO_DISPOSABLE_LINK_FARM rule indicate a strong likelihood of malicious intent through redirection to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160731eeebba7a---42091744987.pdf In PDF document text
- http://auapp.ch/userfiles/files/xavumezokemogisusi.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a5e580931---tilunipal.pdfIn PDF document text
- http://uctodane.cz/UserFiles/File/fafilivojokolara.pdfIn PDF document text
- https://tramhuonghanoi.vn/upload/files/98425553007.pdfIn PDF document text
- https://systematix.pl/userfiles/file/tapenurokoxoxosonuvoxa.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160777874241ec---21122348668.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c69c5ab2a82---97038937829.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/sbm4vulptugts210v7mnrc6911/kegebidetusib.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608156efc5211---nozefiwawuruxotaxulaxife.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/spvtgd2jrnidnnk2is2u2qlss2/24218302369.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/jozogenobulewodigiwatupav.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/6280009399.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606df15396c54---76599887271.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/04f7297f76c21be9cb6917d893059393/6735843256.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/2s0blmse3i3p7ri80d71759j92/4536956397.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/6df5b6fa37384d0735cbd260d09fdd1f/69284842804.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b2c7e8b163f---90272147963.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/80936735648.pdfIn PDF document text
- http://veribase.com/E/file/gifowifuvapulabo.pdfIn PDF document text
- http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/bijujuxexab.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/8ko29a2v0e7l6up57aju4o6t68/33941210857.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160973a67667a7---vawazodotoz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=glans+penis+infectionPDF 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_off0000f832.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF832 | 10412 bytes |
SHA-256: 1c0bfc3a8429376e5eef9824cc72fa1609420787aee02f7edbffc4c505f18b20 |
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font_01_sfnt_off00010feb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FEB | 17412 bytes |
SHA-256: 59f82830535b96166c9e15f86ca04e20be9a01564f2afda5042dd2da6dc701db |
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font_02_sfnt_off00013da3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DA3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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