MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting it functions as a link farm to distribute malicious content. The primary attack pattern involves luring users through a malicious attachment to a site that then redirects them to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://bosingels.nl/ckfinder/userfiles/files/59964171986.pdf In PDF document text
- http://energyexcess.com/userfiles/file/89257615966.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/ropodijivadegarov.pdfIn PDF document text
- http://espokebar.com/uploads/files/begixutizevito.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a5f098aae---podeligerunip.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/a94f0940dc5e0693927bb44d5dd4b5b3/51567357027.pdfIn PDF document text
- http://szkolka-wiercioch.pl/files/file/xitovajidilegizurilegivo.pdfIn PDF document text
- https://cyklo-wellness-penzion-palice.cz/content/19395509652.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb8ae6c87e---40228941853.pdfIn PDF document text
- http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jiguvijazawabivifofabegoj.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/d0dcea38aefe3050014518eae5d90f6e/tefojubevo.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/79288332166.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/feterotete.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/3ce5f96e40bca330535b3ca98baab4f7/winulagawekus.pdfIn PDF document text
- http://upperdublin1970.com/clients/3/3b/3b2fb281f4756d03d37a29c41a8c1d95/File/29306643392.pdfIn PDF document text
- http://copy-office.it/userfiles/file/7720178115.pdfIn PDF document text
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705b1ed682c---zavanolesupudonanam.pdfIn PDF document text
- http://teormech.ru/teormech/usrimg/file/teferozomaloxewobi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=manualidades+navide%C3%B1as+faciles+recicladosPDF 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_off0000e979.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE979 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001018b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1018B | 19052 bytes |
SHA-256: 37a5d33814df1d2aab0887c764add1850c86740dfb5b7b16bf7a288e15f65801 |
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font_02_sfnt_off000131fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131FC | 10736 bytes |
SHA-256: 1cf40e3fbb6f6570950695ebfb0bca3d5a9d81e74e5ce7469e7de78135e4eadf |
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