MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting it's part of a link farm designed to distribute malware. The presence of external URIs and link farms indicates an attempt to redirect users to malicious content.
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 http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/vq5eq1h10slbkb2r0eo19sqoin/kotixisuverebexibez.pdf In PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609935d8e6464---46306436839.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609801898db4a---35724616441.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e33a02afcb2---jiwujina.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b5234e9f347---lemoxajebemodovuwudu.pdfIn PDF document text
- https://cafe-malaysia.com/contents/file/16053403689.pdfIn PDF document text
- http://vytvarnyobchod.cz/UserFiles/File/fejimutudelisiwolobozuri.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/eff9dea85a032cc61fc20d24d5a6dd29/lovopimufulifumoredumuko.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/1ccf6b4e0f87dfa7fed9932569fd523f/36130939894.pdfIn PDF document text
- http://choinka4x4.org/cms/files/file/92003714338.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/177af0caf986b581b0fb1a2a6d3a0d8a/10390001320.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/naluvese.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076a5fbd766a---11772380895.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160758a5f78fee---58818389333.pdfIn PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/v4ddg2srvj5qo7tckdo1vs36sp/zeliwazevobifevokofupudit.pdfIn PDF document text
- https://duproject.com/uploadEditor/files/pusinameposum.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160a9399cd15eb---tupizoturezadivefejatebe.pdfIn PDF document text
- http://shepardfarm.com/clients/877021/File/dozokunenunofakuz.pdfIn PDF document text
- http://geoodwierty.pl/files/file/bipizubefagili.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c019e9b6ad---80366577489.pdfIn PDF document text
- http://cosmic-kino.ru/sadm_files/basodawanaw.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160f3d21ac4f67---47021154448.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/3a244385be87ebc1901e8fe8dd78e13f/38574622295.pdfIn PDF document text
- https://ijpdua.com/contents//files/mogegepik.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=download+album+soundtrack+fast+and+furious+8+musicPDF 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_off0000d50f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD50F | 11132 bytes |
SHA-256: 9accb464d3f217565f3ef71bd78f3289ccb226048003284362eac8da3c221920 |
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font_01_sfnt_off0000ef13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF13 | 17808 bytes |
SHA-256: 93490ac9ecc385ef8d91ec8364a97a3de260a3e682c32c525cf2cd4a5cc54cbe |
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font_02_sfnt_off00011dde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DDE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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