MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable hosting. The primary purpose appears to be redirecting users to potentially malicious content or phishing sites, leveraging a technique often seen in spearphishing attachments.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 http://bright-mineral.com/uploadfile/file/2021062317074142.pdf In PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/2dsu4hfqjsnfq5k3t37d4tu59s/24540033738.pdfIn PDF document text
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ae5ebe42de8---lejekafukogabek.pdfIn PDF document text
- http://interwork.sk/userfiles/file/lelevuweki.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/olrvprj5veg3jinqdurmt9l0g6/74622772904.pdfIn PDF document text
- http://skncn.com/u/files/pizisa.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606ec8cfde5a9---33995618281.pdfIn PDF document text
- https://bouwservicewinthagen.nl/userfiles/image/file/jelafigafon.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160914c7153080---nokunafojuxopalimejupef.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16094a04827cb4---924429708.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/c3t8aadhqdikbmsd5764656ift/laxipozogal.pdfIn PDF document text
- http://dashoernerboot.de/userfiles/75671115030.pdfIn PDF document text
- http://congtydaihai.com/upload/files/77819603695.pdfIn PDF document text
- https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/408a6e811d131bc86722c2c94792d0f4/wosoziviserivozodarov.pdfIn PDF document text
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cc50b8d6aa6---1665609223.pdfIn PDF document text
- http://brmhn.com/userfiles/file/20210524225057_712edp.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef1793dc83---dugobis.pdfIn PDF document text
- http://haphadoor.com/upload/files/bemeritasajepomolezi.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/kq0l6oafkemt0p6ccbg6s3uail/49195588070.pdfIn PDF document text
- https://heritagecambodiatravel.com/userfiles/file/22800238141.pdfIn PDF document text
- https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/64319763458.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2d935d968---visowomoxubedovukor.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/im0c4dmtaa8qhoa789t6bq2nq5/puwedavadovizelunom.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb363753b17---vudukujim.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16071cea19387c---sanumixobuvetuxumug.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=sin+nombre+full+movie+online+free+english+subtitlesPDF 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_off0000b3e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3E0 | 10880 bytes |
SHA-256: 7d91a55dbab1dbcd99aed7646a959da08f315e9ba4a366cc3acad5934fb9dfe0 |
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font_01_sfnt_off0000cccf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCCF | 14996 bytes |
SHA-256: 5e9946911de24f3c1d4b831db0da768d58811aa030e238ecca1cdd523e4f1a10 |
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font_02_sfnt_off0000f304.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF304 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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