MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document is classified as malicious by ML and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites, likely to serve a malicious payload. The presence of external URI heuristics and the PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM rule further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd2406f50e---wunosavevi.pdf In PDF document text
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/f98ea67e2a9570eb362d495bf2416ba9/naravagogerepisixusidilu.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160884b3410f85---fowipozodowa.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ebc5b07d9---lanisobaxekaselugobubuv.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/06nelrf5kvbv85dk96jlgg3j1b/36686974333.pdfIn PDF document text
- https://carsen.sk/editor_uploads/system/files/44961373163.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/quep25eipuljhorvd0n8td8esg/funaloluregitarogiduke.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/28917c5c6d84c5330cae396bc5630374/96594565346.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/23f0278c9689ea0366765cc23de0fe75/noragatu.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608719fc4df44---15903283758.pdfIn PDF document text
- http://etcad.net/np/upfile/file/88363591432.pdfIn PDF document text
- http://dzbnf.com/upload/file/%5C/dazude.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbdbbc4f38---20766769406.pdfIn PDF document text
- https://activepymes.com/pub/file/55012477769.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/1fb3330c4e991bffb503016bf09a7922/4352633282.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609170b16bb4e---2223918312.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/gipqnjs9iihlnq9mlrn1087tf2/wupilopufowexel.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=full+body+pull+workoutPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E3 | 4920 bytes |
SHA-256: 4f659717ae03cb1190fa1ec77e46f6c327854a64ee706697da35411285028852 |
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font_01_sfnt_off000107c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C1 | 11472 bytes |
SHA-256: b14108ca1851cbb35e841db2ddc81f409d74e75546dee2271c2cfc145e4acb77 |
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