MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many hosted on compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicated maliciousness. Although no scripts were directly extracted, the structure and heuristics point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 5
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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.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a92ff5c2da6---zutikujuzoko.pdf In PDF document text
- http://margheritango.it/userfiles/file/fojugibanerajulimerojene.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1d51ed0a8---xoletejirusunawuz.pdfIn PDF document text
- http://tahi.hu/ckfinder/userfiles/files/zojenimoturawakabulef.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d38f84a0a83---vezofizi.pdfIn PDF document text
- http://commune-bourre.com/userfiles/file/pizegisof.pdfIn PDF document text
- http://viorina-deko.com/images/file/68190805419.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca2b23247af---88081222196.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/rk369udobvkvpbl1alns8u1p0m/46234760935.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/161001ea8a58f4---74106610588.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086471e32309---suxode.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087931851315---komepo.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/lelonizitewezifidiro.pdfIn PDF document text
- http://amy-tsai.com/images_express/userfiles/files/totibigigufekabi.pdfIn PDF document text
- http://edsmithestate.com/clients/8/8f/8fcea3baa00381bb68ca4dcda22eb4c7/File/wobagonokapaf.pdfIn PDF document text
- http://1night2day.com/UserFiles/file/sifavagef.pdfIn PDF document text
- http://saltyfeelings.com/userfiles/file/torojizesetawukanezibupi.pdfIn PDF document text
- http://www.farmaciapenil.es/userfiles/files/55162096800.pdfIn PDF document text
- http://canigrup.com/userfiles/file/56872628925.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/7742c05df621d912f00fba479f0ac9b8/91508283903.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/xikipojek.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=android+application+life+cycle+pdfPDF 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_off0000e8c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100DA | 10540 bytes |
SHA-256: 827763263553373e464a684a34697cce4431fdc039c67faa028c6d96e080a2c8 |
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font_02_sfnt_off000118fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118FE | 16748 bytes |
SHA-256: d4044c729cf0c475621d68f4579e7b06e95afa8eaa6a37fa969a5ffc6d10f86b |
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