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. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate an attempt to facilitate phishing or malware distribution.
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://stephan-kratt.de/data/reiterhof/userfiles/file/pubopod.pdf In PDF document text
- http://vipdiler.ru/files/file/65222434707.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/hukl8q3npgsf9luom4971lurb6/39286434065.pdfIn PDF document text
- http://koreaseals.com/ckfinder/userfiles/files/20561760990.pdfIn PDF document text
- http://abcgsgeds.friendship-match.com/upload/files/20767757173.pdfIn PDF document text
- http://stauarchitetti.eu/userfiles/files/damofuwetit.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/95194326254.pdfIn PDF document text
- http://detskaoptika.cz/ckfinder/userfiles/files/91419411442.pdfIn PDF document text
- http://prograsifkalip.com/files/vodomatakisop.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/f7057d9a9a07554c8c7e4b5e7b71d64a/29004965478.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/menejizuziketobegegafekuw.pdfIn PDF document text
- http://geodavidepini.it/userfiles/files/rijasesupetiv.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/57987153614.pdfIn PDF document text
- https://cleartunemonitors.com/ckfinder/userfiles/files/64214636775.pdfIn PDF document text
- http://servis-hradec.cz/files/file/sefulilajewixafivadomuv.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161364b1e82553---moxugodoxinoderik.pdfIn PDF document text
- http://showplus.ae/userfiles/files/rogerit.pdfIn PDF document text
- https://latgalesamatnieki.lv/files/file/19003113397.pdfIn PDF document text
- https://osakaav.com/userfiles/files/xanunojimafelamatitug.pdfIn PDF document text
- http://gld-lining.com/user_img/files/29092228567.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/e8b877b52c697be6dd0cf81e07f862d1/214340800.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=mario+64+android+portPDF 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_off0000cbd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD9 | 21752 bytes |
SHA-256: d83934ea62b54b0f23d7cdc6a93026a2d8f3e87e28af8eeedd020670883db7cf |
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font_01_sfnt_off00010325.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10325 | 10276 bytes |
SHA-256: 16fe7a1737e8b0e24cd5ab3c8c23d08630c34c75cf423aa21cd081c94384895f |
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font_02_sfnt_off00011a63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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