MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier strongly indicates maliciousness, supported by heuristics identifying the PDF as a link farm pointing to potentially compromised or disposable hosting. The presence of a 'download button' lure further suggests a malicious workflow aimed at tricking the user into downloading a payload. No scripts were extracted, limiting the analysis of specific execution methods.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://xlspandoek.nl/userfiles/file/gumemumo.pdf In PDF document text
- http://cachnhietwin.com/luutru/files/40420839713.pdfIn PDF document text
- https://ijp2.com/contents/files/98860048626.pdfIn PDF document text
- https://edinburghpools.com/contents/files/vexapefewejowegat.pdfIn PDF document text
- http://m2m2design.com/userfiles/9640227733.pdfIn PDF document text
- http://zatexpress.com/upload/userfiles/files/jezuzulefijemepolif.pdfIn PDF document text
- https://guruvinodji.com/Userfiles/file/muxeruporekolitalozewivug.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/6175150879.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/28095491322.pdfIn PDF document text
- https://aromamarketing.md/img/files/takudazuzegedumevuriwelaz.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/wuwuwobepakekixesivupuk.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614277f50ee93---bopafujasozafakosanovu.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132e743e7380---jokovokosomanegasidero.pdfIn PDF document text
- http://yourmoneyyourbank.com/uploads/File/90584820818.pdfIn PDF document text
- https://kermiradiatoriai.lt/images/files/61869376835.pdfIn PDF document text
- http://winterwonderlandzundert.nl/uploadimages/files/gixupekofagadikekakiwalo.pdfIn PDF document text
- http://machulski.com/public/file/vabanaxowadovituzude.pdfIn PDF document text
- http://systempro.kr/userData/board/file/25779951793.pdfIn PDF document text
- http://pescepiana.eu/userfiles/files/16994695531.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/35155077355.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16135f9bcea5e4---runifegusem.pdfIn PDF document text
- https://razredna-nastava.net/files/xamiwatomitozuzijarutega.pdfIn PDF document text
- https://ksi-system.pl/editorfiles/file/82159837358.pdfIn PDF document text
- http://opt-russtd.ru/data_center/upload_pictures/file/dimuvu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=carrom+board+apkPDF 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_off0000d2f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB08 | 10176 bytes |
SHA-256: f714c777a2a79c2b85fe691cba945225b6f50a347465ecdc7942b1a4011648d5 |
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font_02_sfnt_off00010185.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10185 | 18360 bytes |
SHA-256: ff24f84d61b7512fedae0fbabcf8ad291a2bf5eb65787e284a9e2f4cc368aa47 |
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