MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or are part of a link farm on disposable hosting. These URLs likely serve as redirects to phishing sites or malware downloaders. No scripts were extracted, and the document body was unreadable.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://nicenpos.com/userData/board/file/22891963965.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/fe960be7803c74c450ba93c390c9a116/35068238749.pdf
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/f3a099bf0aa01f6d1bd6170ca2194d24/nigexodek.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609031c7082b1---sagumawegiwojilotarase.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb10fc28da5---83906980234.pdf
- http://akcjonariusz.com/UserFiles/file/mofuluzatadutopaxiraruson.pdf
- https://quaint-house.com/dirakazir.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160724cb222f71---winonaxalujegejofebawopud.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/fb3ba5ba5db7bc3a5c6eff61ceb48326/88382472904.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/cafc663e8136006dbeac7951618a1a31/24965103025.pdf
- http://togetherwewalkny.org/clients/2/24/2411cc079aa0f0d7fd57f81c6163ecfd/File/60297852609.pdf
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tetufiro.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/e6ghp19brrqvm8c1n410oeievs/8423804352.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/b614f171e93c40fb8f7c3467ed322c94/zufoduzurisekibeki.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/3779916d5ec5d7e816032357b878d26c/fekagelosunigalasemiwe.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef053a2ef2---tisixijuxifof.pdf
- http://aggengr.com/uploads/CMS/file/bumonan.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160749f90ca9f4---vexujagutix.pdf
- http://nuraski.pl/wsg/userfiles/moxeferobojonokimo.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/169fa3c9a05a0087ea95332ab0423bd8/11294148837.pdf
- http://candientuvibra.com/images/file/dufikijaruzutigosed.pdf
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d87a919290---81798068004.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609851ddb17a9---60787260344.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=how+to+convert+automatic+car+to+manual
- 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_off0000ffae.bin69cf345fa10621f2c4548c78f605668411d585ff8f6d9d8a029c50dc2ff50ffe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFAE | 16864 bytes |
font_01_sfnt_off00012b69.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B69 | 16792 bytes |
font_02_sfnt_off00014380.binfec10994b32dbf5889933c34ebcef975989c669ba025a2e752d0916fee972040 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14380 | 10468 bytes |
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