MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan PDF. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm hosted on disposable domains. The primary attack pattern observed is the use of a link farm to redirect users to potentially malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 https://aradovan.com/userfiles/file/nalidovaxukujabet.pdf In PDF document text
- https://cicasoftavukatwebsitesi.demowebsiteleri.com/upload/files/20028114857.pdfIn PDF document text
- http://umhouses.com/uploads/files/pojizoliwusugafutaxup.pdfIn PDF document text
- http://reclameindex.nl/images/uploads/rewap.pdfIn PDF document text
- https://metrosecuritynepal.com/assets/userfiles/files/99786644478.pdfIn PDF document text
- http://hepiran.com/cache/fck_files/file/38844560208.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613651633611a---83761980699.pdfIn PDF document text
- https://vnnc.vn/img-hdmedia/files/19524336139.pdfIn PDF document text
- http://kindergartenhelden.at/upload/file/pumolawev.pdfIn PDF document text
- http://salkim.com/userfiles/file/92260193154.pdfIn PDF document text
- http://clairerolo.com/userfiles/file/80909705718.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/20219640445607.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/j1hkdjuv37fknc80caehjtb986/kelix.pdfIn PDF document text
- http://dotykbylinky.sk/_subory/subory/xufobeluxubobugev.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/687471a33d57a7275ee6baef85878c78/roniginawuwar.pdfIn PDF document text
- http://autosvilar.com/uploads/ckfinder/files/wodizuboziriw.pdfIn PDF document text
- http://yourhealthyanswer.com/ckfinder/userfiles/files/67616633949.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/70726402625.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/9927f22a14f4431d23b58673c0f1c034/xawadavawabilopuziseleb.pdfIn PDF document text
- https://r4binsh4h9-att.com/contents/files/13422093224.pdfIn PDF document text
- https://greenvalleykerala.com/ckfinder/userfiles/files/9892158404.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=easy+web+lmsPDF 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_off0000bae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAE1 | 17436 bytes |
SHA-256: 84b132d8277ea46acd346bd29cead7ed54c929a9162036568c13525ac1bdc84a |
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font_01_sfnt_off0000e79c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE79C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ffb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB3 | 10076 bytes |
SHA-256: b56d2d6c44f3f45f2f221fc07903469a2df4439153a5c1b5dd47b6cde8dc020e |
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