MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to compromised WordPress uploads and other disposable hosting, designed to redirect users. The presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://gphs84.com/clients/866382/File/65949215730.pdf In PDF document text
- https://kstraders.com/userfiles/file/8888659703.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608ce0f5add2f---84256262061.pdfIn PDF document text
- http://qiangka.com/ckfinder/userfiles/files/dukesobexabalij.pdfIn PDF document text
- https://china-glass-mosaic.com/userfiles/files/20210610_203039.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b8622616b---66417795836.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/jkr55ac4gfec3qvqvvv6osfndv/47316692510.pdfIn PDF document text
- https://bamor.org/userfiles/file/kawas.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/vatukisawezijijunudevirop.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/e4fa337f68e43a6b3bb06db791d2acbb/luzijiloripexiv.pdfIn PDF document text
- https://eletvital.hu/uploads/files/difepimikezigonimexeporef.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/rimozufipi.pdfIn PDF document text
- http://ipmarketing.net/userfiles/file/70033549197.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/59307322354.pdfIn PDF document text
- http://busanpc1.com/upload/fckeditor/file/wadenuwaka.pdfIn PDF document text
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/4910160ac2afc6d1ae5bb2e20910c322/71294797384.pdfIn PDF document text
- http://sanmarinreunion.com/clients/c/c0/c0747301521b2fcd71a0106c9132c7e7/File/fajimagibabanozuduvexil.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/9b5f45fa9ff7ca5926a4f00868ef1a72/80788444952.pdfIn PDF document text
- http://diysmart.net/userfiles/file/7789132861.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/50202020885.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d4b702cf4b4---84765663971.pdfIn PDF document text
- https://springkasteelhuren.be/userfiles/file/bigerumuzofil.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a684b9bc9---43466252640.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=progress+in+mathematics+grade+4+student+workbook+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_off0000dd1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD1D | 18172 bytes |
SHA-256: ab0fa136beaacaf78f70ad4f32abbf3f5cea8a4589b646277c20bcda2697fed4 |
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font_01_sfnt_off00010c21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C21 | 11516 bytes |
SHA-256: f26b1f9bd4ac69098cd64dcbedb0355fff3bf50421ab11481a54bcc1339b3339 |
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font_02_sfnt_off000126ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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