MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms points towards an attempt to deliver a secondary payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://aksaaydinlatma.com/img/editor/image/file/36850955745.pdf
- http://keralabiblesociety.com/fck_uploads/file/58408212416.pdf
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077094bdf50a---gewijelesuvupopaxonuzila.pdf
- http://begemot-rus.com/uploadfiles/file/2021061102052273499.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160731a62e01d3---55985121137.pdf
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecb1f3166f---9926360846.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160947e00c4254---rotaxenivasevu.pdf
- https://living-stone.lu/userfiles/files/joloduwoxapopubaxus.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d08180edfdc---donuzelipesifezajawopu.pdf
- http://driscollandgibson.com/images/edit_images/file/25520609724.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/52d4596589b753e6d50ac923b3c52b8b/kozubowododibonu.pdf
- http://alexanderkanevskyartistbiography.com/clientMedia/file/bavamonokerelufotilaro.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/f24c618721e9f43af749f777033fa999/volenefedevegubiwabimo.pdf
- http://smit-electronic.hr/upload/datoteke/11245500837.pdf
- http://alphabodysupplements.com/newerac2c/userfiles/file/94529635496.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd64384174---63528593128.pdf
- http://sola-brothers.com/userfiles/file/bekanazogidamedudirosa.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/a4bfd75d8eb4f11a6d067ed142f49b21/93919089740.pdf
- https://weddingitaly.jp/images/file/38660392062.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd94fb3114---goterafijanadovasun.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/8552a768d3473a0526644c614e21ce8a/vexulomomofexeb.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=download+mods+for+fs19
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ecfe.bin162a7fe4a68dc9fe70490c6212159a2b3b0a813d5a13e16aa087bb3012ab1647 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECFE | 16800 bytes |
font_01_sfnt_off000118f7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118F7 | 16792 bytes |
font_02_sfnt_off0001310e.binadd28368649d189ba53c37d7ac7dfaf9c8bfcf808d4b3e9e50bb8029c59c7936 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1310E | 10500 bytes |
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