MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting, likely intended to redirect users to phishing sites or download further malware. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings indicates a pattern of using SEO techniques to disguise malicious links within seemingly legitimate document structures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://pointerboards.com/uploads/admin/files/32807118359.pdf In PDF document text
- http://beepost.vn/upload/userfiles/files/61410307144.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9fa31252a---jafikipogadakawifi.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610e89943795a---60546614102.pdfIn PDF document text
- https://caror.hu/ckfinder/userfiles/files/nobipitiwimilonamatofu.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c9237f032---perevogomitelasofepir.pdfIn PDF document text
- https://pt2-turbo-j3t.com/contents/files/pevavuki.pdfIn PDF document text
- http://bulongvungtau.com/media/ftp/file/wodowanebuzido.pdfIn PDF document text
- https://vestol.bg/files/file/24696898859.pdfIn PDF document text
- http://alfavs.eu/userfiles/file/xoniwoxorur.pdfIn PDF document text
- http://garant-fond.ru/ckeditor/ckfinder/userfiles/Images/files/bekil.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fea3781fb2---rarifaxusaji.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/4f53c357a7e077c2eba2b1b95507755b/litipewurewiju.pdfIn PDF document text
- https://equalitas.es/userfiles/file/zupedonilesosafuvizi.pdfIn PDF document text
- http://abbuffalowings.com/uploads/files/xilifil.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6a497fa1e---62775202632.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160925eafb44bf---wimetelasijuxiborozajeliv.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609196f0b8a73---95953028112.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/1edf8617328d4d433f90f567c493948f/35331382128.pdfIn PDF document text
- http://centroolosprato.it/userfiles/files/jebowonakabetigita.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/momuxuxulo.pdfIn PDF document text
- http://orthopediedelft.eu/files/29618413627.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/83282264062.pdfIn PDF document text
- https://watertorens.nl/userfiles/file/nomor.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+use+lantus+pen+pdfPDF 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_off0000c4b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dcca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCCA | 16192 bytes |
SHA-256: 8fb27c329bbfb150920723231c92dbf54968575642b87aa74e89b41fa3d5cfd1 |
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font_02_sfnt_off00010687.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10687 | 10476 bytes |
SHA-256: 260eb0472996a95549f87983fec1559253327855684da4fc952ea337ededbfeb |
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