MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains a link farm with numerous URLs pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of multiple compromised CMS upload links indicates a pattern of using vulnerable web infrastructure for distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a1377c8af---72163437903.pdf In PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607ced0101ca3---razinokiwiwesinijobubumo.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bca5906f643---xedepijidabo.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cdc91755d---33922035703.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/mge9bvr93imbv4vt7heat3a58m/54228159591.pdfIn PDF document text
- http://hublihorse.com/uploads/userfiles/files/73924595221.pdfIn PDF document text
- http://22743333.com/userfiles/files/41021413017.pdfIn PDF document text
- https://edarky.net/data/file/15085757978.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/97888426034.pdfIn PDF document text
- http://eurekaelearning.com/upload/news/file/gomupexuvexiwexixuga.pdfIn PDF document text
- https://85097781.com/upload/files/lezavabiwatigib.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/0f5a22c86adc8b0022845f84f05f8445/wubulitopulim.pdfIn PDF document text
- https://dermatologie-chamonix.com/userfiles/file/12058147253.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160848a182d08e---519017745.pdfIn PDF document text
- http://hometextiles-consultant.com/ckfinder/userfiles/files/69214241649.pdfIn PDF document text
- http://dyweisheng.com/uploadfile/file/2021072814044873499.pdfIn PDF document text
- http://abcbyspu.com/ckfinder/images_store/files/37811478700.pdfIn PDF document text
- https://sportsht.com/userfiles/file/vujibowamagojitemovitad.pdfIn PDF document text
- http://cerezolorente.com/files/cerezolorente/_repo/file/67530244893.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2057d155c---xawalubokenurutixe.pdfIn PDF document text
- http://rowsontw.com/shopadmin/upload/files/jafilesotepawejumo.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/f40f263b5d4a4c1f68807199761bad30/zowazegitakivaxerani.pdfIn PDF document text
- https://fallahi-sch.com/userfiles/file/vovufurubazedutemim.pdfIn PDF document text
- https://szekszardportal.hu/userfiles/file/76433546834.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=contabilidad+financiera+2+libro+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_off0000c051.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC051 | 10736 bytes |
SHA-256: bdbb260029577e630858512903685146da2a6e3d463471e8eca9fa629722b9e1 |
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font_01_sfnt_off0000d8f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F1 | 16144 bytes |
SHA-256: 2b535e8063944cc79a0a334bc335e5ef19f5134021351f8d47522be53f37f900 |
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font_02_sfnt_off00010150.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10150 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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