MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to files hosted on compromised WordPress installations. The primary purpose appears to be directing users to potentially malicious content through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16086ec4084888---ditogemevolipolas.pdf In PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/89df2470daa2925123fad4c07ee3bc58/16233202629.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/c8j3n4bnjvi02m3u751aj2rah4/wekesepoli.pdfIn PDF document text
- http://abwpetersburg.com/uploads/files/goralotojegezo.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bb27c65e15a---29477210096.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/e1c522d8be27c187fb5f6a6e12434b1f/winakafababojitax.pdfIn PDF document text
- http://yejida.com/userfiles/file/wopozovupedubixa.pdfIn PDF document text
- http://africa-emergence2019.com/userfiles/file/jatiwemadujeripe.pdfIn PDF document text
- https://loctra.net/userfiles/file/kiwipiwatifimopun.pdfIn PDF document text
- http://retco.ge/ckfinder/userfiles/files/jawamoxedovijoxiwuzox.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090812ccf4c9---rokegitoti.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/09d4333c19d331f51779f074bf40da0c/bajatinekuromuwix.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160743aebc11cf---debawa.pdfIn PDF document text
- https://x-software.cz/data/file/nifumofizegiketatopet.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/78362374483.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa87dd8680---valolopogo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=daffodils+main+course+book+of+english+reader+class+7+solutionsPDF 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_off0000d2ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AD | 17192 bytes |
SHA-256: f5b791052395b9134a852cd7902ce42ccccc6c3245a45badc0fb0f373eee0765 |
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font_01_sfnt_off0000ff53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF53 | 11308 bytes |
SHA-256: cb49101a428a126085ddb4b5f33878e4313d22aa36c4f88eeb8a4060d94a7632 |
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font_02_sfnt_off0001198c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1198C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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