MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs pointing to compromised WordPress sites and other domains, suggesting it functions as a link farm to distribute malicious content or phish for information. The presence of these external links and the nature of the heuristics indicate a likely attempt to redirect users to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://krisoc.ru/uplcv?utm_term=how+to+remove+lens+in+snapchat PDF link annotation
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134422217ab8---numenovubezudejugaz.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/161330572959c4---98832580214.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/sonojiru.pdfIn PDF document text
- https://blokhol.com/upload/files/xilepibagemosekidul.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210909_3E51736AF5898DF8.pdfIn PDF document text
- http://themadthinker.com/temp/vinney/HTML/userfiles/file/jenetupodor.pdfIn PDF document text
- http://tourister.kr/userfiles/file/64250985582.pdfIn PDF document text
- http://dragonspond.com/uploads/files/15014475423.pdfIn PDF document text
- https://kuraniterbiye.com/resimler/files/63198018959.pdfIn PDF document text
- http://www.somdattabasu.com/fckimages/file/84316650022.pdfIn PDF document text
- http://ebslang.net/_UploadFile/Images/file/pesazen.pdfIn PDF document text
- http://freewest.at/muvosopuwulavikuvaze.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/10589550193.pdfIn PDF document text
- https://laurallo.com/ckfinder/userfiles/files/52267910644.pdfIn PDF document text
- http://ersenergy.com/UserFiles/file/kajovajofibadarugifom.pdfIn PDF document text
- https://www.paseppe.gr/ckfinder/userfiles/files/lifevogexugigimabumuru.pdfIn PDF document text
- http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tulazelube.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/35991036345.pdfIn PDF document text
- http://austral-immo.com/userfiles/files/gunipasosiref.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138669eee488---75395352776.pdfIn PDF document text
- http://mobil-tech.com/files/66976251353.pdfIn PDF document text
- 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_off0000bf96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF96 | 16660 bytes |
SHA-256: 915f717b4888f77c8a696c637556a8bf231fbf10b5fe375d938cc814d4373d65 |
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font_01_sfnt_off0000ea45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA45 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001025c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1025C | 10784 bytes |
SHA-256: f4eefe14f2fc05d9aff6d301bbb5cb624dfe730cece2f8c2e851891c7eefa3cd |
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