MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a tactic to host malicious files. The ML classifier strongly indicates maliciousness, and the structure aligns with a link farm designed to lure users to external sites. No scripts were extracted, but the PDF's structure and embedded URLs are sufficient indicators of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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 http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134266ce10be---zekapobuwodiloxugofogizoj.pdf In PDF document text
- https://activepymes.com/pub/file/83123044537.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/161417797b2c10---tenikokogexixanajukezefom.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/161427bf120888---86724114271.pdfIn PDF document text
- http://kirakuramen.com/uploads/files/tusegote.pdfIn PDF document text
- http://etalentlink.com/uploadfile/file///2021090923383480.pdfIn PDF document text
- http://chukgoobok.com/files/fckeditor/file/1562700464.pdfIn PDF document text
- http://michelschuurmans.nl/images/uploads/file/19580936439.pdfIn PDF document text
- http://sysquare.com/UserFiles/files/kamolixebudezomexume.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141a18165027---debegoraxirodimadotuw.pdfIn PDF document text
- http://filipdegreef.be/uploads/files/muwipugogevelugekusupe.pdfIn PDF document text
- https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/35925948332.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141cbea0ea03---49699638530.pdfIn PDF document text
- http://jualumnitoronto.com/editor/uploadfiles/sexevotunafaturuderape.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/14b0eaaa31e13f5cc77652f41162a9f2/gavugulinaxaj.pdfIn PDF document text
- http://nhadatv.com/webroot/img/files/kasuloxiwuvuwavir.pdfIn PDF document text
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17922393751.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/zijenuv.pdfIn PDF document text
- http://xn--dokumaanahtarlk-llc.net/userfiles/file/34727541263.pdfIn PDF document text
- https://xtremefitksa.com/ckfinder/userfiles/files/pepimuguvusidapanevej.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+mirror+your+phone+to+computerPDF 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_off0000cf24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF24 | 10556 bytes |
SHA-256: ded0ad6ef11a5b1c03a5f14ce6290e13e6d49b4f05c1bf9f06b3fc1051554c90 |
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font_01_sfnt_off0000e70e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE70E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ff20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF20 | 17000 bytes |
SHA-256: 5b7e6501b886acd0e6879ca61671ea2d58fe7e338582de29995540bcd5f588a6 |
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