MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised websites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or trojan delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://crysiq.ru/uplcv?utm_term=android+11+install+any+phone PDF link annotation
- https://kcss.hu/korosi/userfiles/file/goxanun.pdfIn PDF document text
- https://telewebmarketing.com/FCKeditor/file/63745071001.pdfIn PDF document text
- http://ncfc.com.tr/ckfinder/userfiles/files/62417358624.pdfIn PDF document text
- https://sistemagestiondpr.com/userfiles/file/80544742019.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161471a8f49abb---raxuraworawuvedawa.pdfIn PDF document text
- http://ladyvenus.it/userfiles/files/81863263592.pdfIn PDF document text
- http://kunjipsc.com/uploads/files/40830276320.pdfIn PDF document text
- http://salt17.com/userfiles/files/rezezorotovugoxesufureg.pdfIn PDF document text
- https://vanchuyenduongsat.vn/upload/files/28020767655.pdfIn PDF document text
- http://kerrya.com/ckfinder/userfiles/files/xerobexu.pdfIn PDF document text
- http://greatwalledmond.com/ckfinder/userfiles/files/44014790549.pdfIn PDF document text
- http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/farepozibajisogul.pdfIn PDF document text
- http://e-junghan.com/userData/board/file/22426861478.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614015ee15a6f---173731710.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/e63229d8d33f10c889fc28b43bf58d4a/33730351203.pdfIn PDF document text
- https://trompis-tondschungel.de/userfiles/file/zadodigovemafew.pdfIn PDF document text
- http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/patizozowezirelejej.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ee5e71d2f---mevomodimorupomup.pdfIn PDF document text
- https://pieseautocomenzi.ro/userfiles/file/95527062506.pdfIn PDF document text
- http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/14491332248.pdfIn PDF document text
- https://angkagenap.com/contents/files/wafowap.pdfIn PDF document text
- http://meditopthailand.com/file/6775858275.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_off0000e87e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE87E | 17620 bytes |
SHA-256: 490efb4f6dbb1b21e1afe4cee74a33cee33c42872fe34118734fbb4d3846bd52 |
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font_01_sfnt_off0001169b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1169B | 10636 bytes |
SHA-256: 29b95a1f4b2fa50a903a760e7358e45e984c2bcd79b931ed5a5a46ef9c264977 |
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font_02_sfnt_off00012ef5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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