MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://pistant.ru/uplcv?utm_term=holt+mcdougal+algebra+1+worksheet+4.1+answers PDF link annotation
- http://thesciencenetwork.org/uploads/files/jemalega.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095d8a507fd7---bofejividapefuxa.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611194d3d6126---kojoxedarewog.pdfIn PDF document text
- http://world-housing.jp/ckfinder/userfiles/files/guxesikisakafogero.pdfIn PDF document text
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/c48ec62f24368bb318d9a42a2cfd7960/44639892528.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f95d73833a---20155075105.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609477c7d5252---31176463449.pdfIn PDF document text
- http://privateeducation.sg/verzsape/demo/upload/admin/files/kokanunizovopamuwalekapo.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16081fd6b02e1e---8370447696.pdfIn PDF document text
- https://callmarkinvestments.fortunekenya.com/callmark/files/jakivemarotenezilavi.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/c8e438aa0031baca024c34fbba27221e/93231117431.pdfIn PDF document text
- http://vantaibactrungnam.vn/upload/files/nufegojojogupelazefosu.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160897f592259b---vevubikadubizoki.pdfIn PDF document text
- http://ccshecea.org/upload/files/83796047017.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/kc12515gaug35flndfrrka31m3/64387945999.pdfIn PDF document text
- https://tolgyesvolgy.hu/userfiles/file/doliduvotefupadavuvef.pdfIn PDF document text
- https://panificiopasticceriabattaglia.it/file/47823045610.pdfIn PDF document text
- https://brickzoo.it/file/2489712405.pdfIn PDF document text
- https://247christianity.org/fckeditor/userfiles/file/jinumogibexefovere1620699278.pdfIn PDF document text
- http://rabotatver.ru/userfiles/admin/lovorikudol.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610fb5fdc425b---1150629412.pdfIn PDF document text
- https://rotterdampools.com/contents//files/74342379588.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160aa36a6c52d8---17391248520.pdfIn PDF document text
- http://www.papelerialapiceros.es/ckfinder/userfiles/files/jevire.pdfIn PDF document text
- http://usateatop.com/_upload/files/22487788900.pdfIn PDF document text
- https://hondaotohaiphong.vn/upload/files/45045237746.pdfIn PDF document text
- https://bselink.com/userfiles/file/suruzulenituteni.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_off0000db93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3AA | 11328 bytes |
SHA-256: cddbb1894b275d19062dae01b0125807e1c029effc37f0cfaaf6c74e337dc9d3 |
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font_02_sfnt_off00010e13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E13 | 18696 bytes |
SHA-256: 15910c431025b8aebf6f7265ef144c2766531e51b521b8154a7db2d89f90b641 |
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