MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or are structured as link farms on disposable hosting, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or distributing further malware via these links.
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://airbays.com/userfiles/file/monatu.pdf In PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148f8cb86676---3632270654.pdfIn PDF document text
- http://queenart.kr/userData/board/file/51495799271.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/d78c3e4cac98fd57ed906b4bb7df5681/vufiwat.pdfIn PDF document text
- http://weiddy.com/uploads/files/202109222155072453.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/fidomufukobunukun.pdfIn PDF document text
- http://iseveranscopy.com/upload/editor/file/80726416117.pdfIn PDF document text
- https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/wonokosugojitoluzedebusab.pdfIn PDF document text
- http://dataction.org/demo/dataction/media/wawutuzivo.pdfIn PDF document text
- http://debeight.net/UserFiles/File/tubudivejebopup.pdfIn PDF document text
- http://triatlonbizuterie.cz/sites/default/files/file/79336673202.pdfIn PDF document text
- http://valdhans.cz/userfiles/file/83649895997.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/161425809d152b---3183567357.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/56778914856.pdfIn PDF document text
- http://chataphan.com/file_media/file_image/file/guteludesifoji.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/pukisi.pdfIn PDF document text
- http://sieuthihatgiong.vn/webroot/img/files/titafiwenopupugasenu.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613783b55d2f9---gedijobevufok.pdfIn PDF document text
- http://client.diffuse.info/files/pegafikod.pdfIn PDF document text
- https://podiummagazinenews.com/ckfinder/userfiles/files/77990518804.pdfIn PDF document text
- http://wellnesszeewolde.nl/site/data/ws/files/23609211778.pdfIn PDF document text
- https://equinox-e.com/upload/files/judareroxevapenebabaxa.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139dccd778be---xakifalivuwitowupurazu.pdfIn PDF document text
- http://mylodge-naoshima.com/11081091094.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=clear+memory+in+androidPDF 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_off0000b637.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB637 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE49 | 17376 bytes |
SHA-256: 7fa6da7e0a60050ac43d4c885f022d876e386bc2be84fa7624a2d25c799881b0 |
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font_02_sfnt_off0000fae6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAE6 | 10288 bytes |
SHA-256: 408a55c0e6b0ac140fb7f4a142cf75f975cd10a75477147c5760ce50c86520f3 |
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