MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://simon-daulte.com/ckfinder/userfiles/files/razebajisupukivizid.pdf In PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1606d47fd887e2---talolefawujotek.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/1psjp3amn63gijec0vo45r52r6/vuxevix.pdfIn PDF document text
- http://modern-pro.ru/files/file/65416529907.pdfIn PDF document text
- http://1982thsreunion.com/clients/a/a8/a85c6617a93da1462bf6c3e7dda9c043/File/19551640709.pdfIn PDF document text
- http://barbusci.it/maisUserFile/file/14822920362.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/xuninejijiguripezegija.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/g1mngpnbok975dfciov9765hgk/xapifevunujavixum.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/kavoxinizazaguzenavu.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a84c15ec360---6764190920.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/331b5893f5c9afff5997e6b59c72c5f9/vitudofif.pdfIn PDF document text
- https://deltarents.com/upload/ckfinder/files/51710743911.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/tedevobonopuduje.pdfIn PDF document text
- https://aymsoft.us/aym_image/files/vazewor.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/66565450008.pdfIn PDF document text
- http://soul-program.com/clients/e/e8/e84723a0d254fbc5507aaa4bd1967541/File/29606958019.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/499425ce9e55c3951d5eb9f0019fffec/jeziw.pdfIn PDF document text
- http://boschvietnam.com/files/usersfiles/files/zavobimasurupagok.pdfIn PDF document text
- http://chinhsuasolieu.com/media/files/xejuzuxidowofifisanarazu.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160dde08862434---87113276113.pdfIn PDF document text
- http://www.mostex.sk/files/articles/file/90609959963.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba44a9740ec---gevuvojovuxa.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/jigiwosunix.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6b66b5812f---39292869158.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b621a832f55---rupigadaladefixajarawasu.pdfIn PDF document text
- http://bogieclassof67.com/clients/71235/File/60239304090.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9e073e973d---tebofokunibopobege.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=gdp+calculation+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_off0000b7d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7D0 | 10352 bytes |
SHA-256: 6a64bfbf17f27cc50a04445c78a0b087647610066e89696025d8826dc757b447 |
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font_01_sfnt_off0000cf46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF46 | 15344 bytes |
SHA-256: 697d6702064d88efc1a58e0e8f83c2889a95d1949efaabb0dcb7e797177593b8 |
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font_02_sfnt_off0000f666.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF666 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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