MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while numerous, do not provide specific instructions, but their association with compromised sites strongly supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/sumfb5ofd83s5e8buhpdqeprvo/51420113890.pdf In PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a7696afeb---39432315905.pdfIn PDF document text
- https://aplusadvance.com/naver_editor/data/file/nepigusijufomuwipabukefoj.pdfIn PDF document text
- http://bright-inter.com/file_media/file_image/file/5582059723.pdfIn PDF document text
- http://kbo.pl/ckfinder/userfiles/files/midigemorojonodadabe.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8a1a68b2f---kivodivuzopok.pdfIn PDF document text
- http://saga.diamonds/uploads/ckfinder/files/bukuwutowigezowawisidib.pdfIn PDF document text
- http://ruihuitax.com/files/file/19517073701.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609874afb18c9---46414816161.pdfIn PDF document text
- https://hostingalani.com/calisma2/files/uploads/jomaxuwomifejupixiwipetab.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/afcdj0qd5g1k7a6114kqptlsaj/93069474223.pdfIn PDF document text
- http://ridendo.cz/files/file/18007667068.pdfIn PDF document text
- http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/vepolibimufobuvititijex.pdfIn PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/4vrpeffcgquef2hams1eqvddvd/maxuloletowekanakexewojo.pdfIn PDF document text
- https://juegosinflablesarizona.com/files/mutidazif.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/d606439836401f79f175bce67e6b77ae/75672626006.pdfIn PDF document text
- http://www.deco-interieure.com/userfiles/file/65720150067.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/dovojofiwuvozowa.pdfIn PDF document text
- http://palaciodelosnavas.com/userfiles/file/25082454184.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cd5fd5bd654---xujitomufulerojewetug.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/ib6fchtnhdfg4m1v3pvtktp885/53897599824.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a2cdc93b7---88089299538.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/buborekub.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=meaning+of+marriage+pdfPDF 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_off00010a69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012280.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12280 | 10524 bytes |
SHA-256: 72618f54978e6403ff8ee4f2b5ceac53ed16cc5a726bd7640e7e44b59b79a897 |
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font_02_sfnt_off00013a22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A22 | 17624 bytes |
SHA-256: 09dfaa448716bf2db5a6369dd55d76ce50b0367d6ad3821f0c003996944b2bae |
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