MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm characteristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16085af6a815b6---tetepa.pdf In PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096cb8ecbe59---987043194.pdfIn PDF document text
- http://adria-ex.com/images/blog//file/zoguruwunawikojexol.pdfIn PDF document text
- https://argumentua.com/i/file/27794148113.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a737a7e1f---62258468410.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6215596e3---fizopowovakar.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/6612493aa78f0afbd014f4fa60dab482/89140591459.pdfIn PDF document text
- http://www.multigacos.com/admin/uploaded/fck/file/17017382455.pdfIn PDF document text
- http://carszana.com/image/upload/File/biximuxo.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/d1ff89bce783b3c9691f7990b304f525/linibedefizidoxanuwasab.pdfIn PDF document text
- https://edarky.net/data/file/lufirafepa.pdfIn PDF document text
- http://msslink.ru/userfiles/files/satevutakenaduruxepem.pdfIn PDF document text
- https://bistakalikotenetwork.com/userfiles/file/zabezatojebekiramawele.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160c263017c7d9---betesaluve.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/61368091768.pdfIn PDF document text
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/fb1c9a8e67ee3aa03b22a6df70f68c74/vetujowugepuvisu.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/8fec56fe1e667c2c39ce99a795784e0b/sefabikesez.pdfIn PDF document text
- http://moon-villa123.com/CKEdit/upload/files/jijilipet.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607901e61b789---61485094399.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/b985ea7484fc3d1a7e5c119e9470a0e6/44329579669.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/3a1166cedfc8b8ba99a1a8218fd0de59/tedes.pdfIn PDF document text
- https://corghialberti.it/file/84228066179.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/91017444288.pdfIn PDF document text
- https://bursac.net/userfiles/file/difapi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=computer+in+medicine+and+biologyPDF link annotation
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/9a39f142b60a6fe78ba5d7cf3ccd13e4/kaxozuk.pdfIn PDF document text
- 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_off0000d02d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD02D | 17252 bytes |
SHA-256: 7f1d2bf29c487c30386855d527abaf9e4b98586e5cdf8f75e9e688744df96448 |
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font_01_sfnt_off0000fd04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD04 | 11072 bytes |
SHA-256: a4949c439d1a1292ca32fc1bdf4e4ab41c9f631b96412dcdf8e764b7c136c5dd |
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font_02_sfnt_off00011666.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11666 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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