MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm directing users to multiple external websites, some of which are hosted on compromised CMS upload storage. The ML classifier and ClamAV both flagged this PDF as malicious, indicating a high likelihood of phishing or malware distribution. The primary attack pattern observed is the use of a link farm to lure victims to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://technocom.pl/editor/file/29486247159.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca59ad3d58---71013390076.pdf
- http://aisef.org/uploads/userfiles/file/file/25095280818.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083fea85d35c---bugitilixaka.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160951276b4a63---mufitukosebolozuxikegepu.pdf
- https://termoformat.md/img/files/37851250857.pdf
- http://studiospazioambiente.it/userfiles/files/67853649555.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdb67954e4---xeboloburemilogow.pdf
- http://hum-lucknow.org/test/fckeditor/file/guvotopedowolazirowivom.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608267de90de0---62984094529.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092220a84249---lumogugizotizuluxawefo.pdf
- https://btcauction.vn/hinhanh/file/40039897862.pdf
- http://doverhighschoolhalloffame.com/clients/2/2d/2d76883e1086210ef8e2c43836b0327f/File/23202603221.pdf
- http://omonetach.pl/foto/ilustracje/file/61974214771.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c7290883ab4---jekekusenenuje.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160831a3d3acd9---44284169332.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/36ao0n01i7a09tgvpijccpqpio/morebejobob.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/sbicq9gvethh0l4ohuiv510rpj/pesidafofewi.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160860e5153476---tujexizoxuxepat.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5cffa5772---2805546102.pdf
- http://sattamatkapatti.com/userfiles/file/subux.pdf
- https://binarbaidtrading.com/public_html/userfiles/file/35896928727.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=only+a+few+people+work+on+compiling+folk+literature
- 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_off00015f46.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F46 | 16792 bytes |
font_01_sfnt_off0001775d.bina0953fdd79695e8a57ccc37e3aa88653fbae5ed082371a5c8687ca80309ee43e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1775D | 11072 bytes |
font_02_sfnt_off00019149.bin1695ff722185fb7b8302b12ba1115938baf81ebd0a3b54a47f901f265593b3cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19149 | 16636 bytes |
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