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 CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple external URIs and a link farm heuristic points towards an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://wastran.ru/uplcv?utm_term=caisson+cuisine+ikea+pdf PDF link annotation
- https://abugfreemind.com/userfiles/file/nakipidebokuli.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160972d9fcba6f---97564144352.pdfIn PDF document text
- http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/fejinazub.pdfIn PDF document text
- https://accounting789.com/ThImg/file/89916556220.pdfIn PDF document text
- https://markmont.eu/editor_uploads/system/files/64262138453.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/vivevenusodapemotelovewet.pdfIn PDF document text
- http://ohsclassof73.com/clients/9/9a/9a21b0b253f7c4eafe662346d237c286/File/neloposufikiriranixijumup.pdfIn PDF document text
- https://iltuosarto.com/file/mumulegofofajigurureb.pdfIn PDF document text
- http://greece-ex.com/images/blog//file/wasesonuvadiloborogaliku.pdfIn PDF document text
- http://weighlessthisyear.com/ckfinder/userfiles/files/dalewuvurimezigefutomuti.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef6b43b37f---48594147731.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3553acfd1---91521219804.pdfIn PDF document text
- http://mebco.ru/images/file/80575112800.pdfIn PDF document text
- http://philipwillettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jidelideneriwojituro.pdfIn PDF document text
- http://mindatpeace.us/uploads/files/funijulufuxivig.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/9127o7ujut3533dvb69nfk9822/33545622268.pdfIn PDF document text
- http://bakineshr.az/ckfinder/userfiles/files/lapukov.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/1h6hc44ubp9ttm3t790td0urhr/gejaduma.pdfIn PDF document text
- http://sourceit.ke/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/todirezin.pdfIn PDF document text
- http://terremeraude.com/userfiles/file/visanelovetiwuwi.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/iegcl0musl8j8e87j068oh95f3/jupaxajiratiwokoporebu.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/30a54c2aa497e2011b472ee64b205799/75914904929.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b04d1a31dc9---20105223570.pdfIn PDF document text
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/a344fe0887b51f8ab877c655f3b7b5a1/95365172837.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_off0000d4ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4ED | 17112 bytes |
SHA-256: 198de2a4501f022ed6731cbef73a198229131b54b42334df2390ddc7c56ad85e |
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font_01_sfnt_off00010127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10127 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001193e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1193E | 10592 bytes |
SHA-256: 77dc5834c9671c51bd93291831b96865172e9e9305d25661ffb570e5c36d72a0 |
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