MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF contains a link farm pointing to compromised WordPress sites, likely intended to trick users into downloading a password-protected archive. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' strongly suggests this tactic, which is often used to bypass gateway security. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16080b3a1570f7---lutizazosup.pdf In PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a837ac773e8---tekup.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/9e3bf2fee66efe25623d14ede07f5474/23782875309.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/29c66671d1f4c79d3f3d22bebb8030f4/36107198142.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/nqrtskbr35fkdvp6ea861e8k11/70937579664.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/b75a682fd607c0f15b202eea3433bd2d/vimizutakokozalinadi.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612774ac50031---rufamopejusavoxoz.pdfIn PDF document text
- http://movesearchesuk.com/userfiles/file/jovulaxulirefelex.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/rl2259f808bskrpqgrm757gqdq/semusitelabeziwigepot.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b98a4dfb6---kolurokedetaveni.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba45997135---sulugiviweloliso.pdfIn PDF document text
- http://forter.vn/hinhanh/file/70376767379.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/56829036222.pdfIn PDF document text
- https://smaransaving.com.np/ckfinder/userfiles/files/gebifa.pdfIn PDF document text
- http://aostavet.it/userfiles/files/62744782390.pdfIn PDF document text
- http://ohappy.org/userData/board/file/17669763043.pdfIn PDF document text
- https://profix.fr/ckfinder/userfiles/files/76262020104.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160926a695191b---15838995437.pdfIn PDF document text
- http://brenno-tojestto.pl/userfiles/file/48920393612.pdfIn PDF document text
- http://bharatandcompany.in/ckfinder/userfiles/files/kuvov.pdfIn PDF document text
- http://www.web-globus.de/ckfinder/userfiles/files/42204136817.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102d202675b8---zugixudok.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/xovakomo.pdfIn PDF document text
- https://castilloexterior.es/ckfinder/userfiles/files/lojomaz.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/967df1b1aaea3c1b0c6cc6410113e883/bozatifojata.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=mitsubishi+grandis+2005+owners+manualPDF 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_off0000f968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF968 | 18528 bytes |
SHA-256: ddbdf5d9e18c0046a8ae93de45b61d74747e76d27798ebc34f9073af1a4e74da |
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font_01_sfnt_off000128d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128D5 | 11392 bytes |
SHA-256: 3481d0000676e284efa0c6cc734b4a9a73b1aa5f5beff3313926b7b2806cbcce |
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font_02_sfnt_off00014370.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14370 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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