MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/da57188d69abb836124776fbe0275693/sevulituwenidefefiwigite.pdf In PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/7836f926121e412045a64a0c7a2b0e1b/tesuvovisi.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609918c2bdb83---resavibedo.pdfIn PDF document text
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/ai8jq3k3f0et2cehmgs237ou97/36264506818.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/b707e12543e51083a6ca883733548ad2/newir.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160790a2758c3e---laxenipomutidujope.pdfIn PDF document text
- http://bagiez.com/userfiles/file/54331750964.pdfIn PDF document text
- https://aashianarealty.com/file/dotigaxod.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b83c45be68d---walijazakijizosinekikened.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16071854a3b7f5---jomozosa.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/ec7574a45766556fd7637a04a107d628/13773983431.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/79809ca4bb83d70bc92132db3ca3cff6/95498520678.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ace43dbae---tejirakurexabofuwurize.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/tekofozep.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2b3ff163d---6558777299.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/33698589060.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091496581678---60015565055.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfdc501696---zigazofokunidok.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/c7f7305bbb81f4db4cd9ad3e3c44a5c8/kapuguwulusepobiraxud.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=movie+xy+apkPDF 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16992 | 8060 bytes |
SHA-256: fe4bb221e0a9513b87b70bc7cb3d32bf8291ba3891e82683a0cf61336583a081 |
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font_01_sfnt_off000184a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x184A3 | 4408 bytes |
SHA-256: 23b1857497aba48752543a482ace1342fc957036c13c8bdf504c4e26fb993976 |
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font_02_sfnt_off000193b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x193B5 | 12660 bytes |
SHA-256: ff5eb2a01f979d30ed97c276befdd2cfc9713f828e453dbdf19bf426efd41c61 |
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font_03_sfnt_off0001bebf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BEBF | 16164 bytes |
SHA-256: ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8 |
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font_04_sfnt_off0001d3d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D3D8 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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