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 0.9998
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://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec63704cac---zosoluri.pdf In PDF document text
- https://bamfieldrental.com/userfiles/file/xisofumepiwazoluno.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/a5f9dc04d1c24612133ec2ec757f8b1d/72531775845.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609076f50c887---jiwuwatitapi.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f346a9c7ce---popudexijesasod.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/1dpdpgecdnkh7l3p5acq9rnf62/resamefikowabosujajure.pdfIn PDF document text
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/96f4b349bda0d7707ebb35bf72e3ff2c/zawubuximumokulademuzako.pdfIn PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/b5k0cca64s12thaajk2ibkj73g/modunir.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085910dc3f79---xikes.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607c729a9033a---tupez.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794af2b8ab3---76598677550.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/090f174166375a4a0b66b5caadf74662/gogivebu.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/e32664e5963dfd921042a4f81de451f5/44227148870.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/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=baron+munchausen+game+pdfPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB95 | 3188 bytes |
SHA-256: 635b2a2e9a48bdae1049c6e05f2a520eef4710645dc0273a3b2dce473eb9e2e2 |
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font_01_sfnt_off0000d6cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6CF | 5588 bytes |
SHA-256: 3f83ac2d1f86befeb92e7418ec1cfdaf5fc7b92ac7395c253b995ec86288334f |
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font_02_sfnt_off0000e9a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A7 | 10872 bytes |
SHA-256: 7ca4f12b02f0e4c699eae296b609cc340e78dd4ea59f2e5564054c3d56566674 |
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