MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content. The presence of multiple links on disposable hosting and the use of 'utm_term' parameters suggest a phishing lure designed to trick users into clicking through to malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf90265c259---vugire.pdf In PDF document text
- https://ctapigroup3.com/contents//files/votokajositulivuxudepof.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e214c23aa5---pazexivutezekunakibezu.pdfIn PDF document text
- http://mygiftltd.com/userfiles/file/fepewanupajubugewite.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca2f66352a---rokuwanofopixomube.pdfIn PDF document text
- https://hophamthaibinh.com/upload/files/35064308535.pdfIn PDF document text
- https://sogelec-eng.com/files/ckfinder/files/ranobedubama.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160d6370521693---36787650785.pdfIn PDF document text
- http://barrybusiness-crm.com/ressource/devis-photo/files/wuguretabivakuxanep.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0577d4c3c6---bexis.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16077e75b6ead9---25390567467.pdfIn PDF document text
- https://toppelletmachine.com/d/files/71022350814.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/c16e1308db03f677f57244caa1a9a66d/68742626045.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16077306595f21---16447022222.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160be8e77bc808---tutorukeb.pdfIn PDF document text
- http://cobansut.com/userfiles/file/filijuxenijijiboxeli.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/kbbotq1ru54g80b07unft331jn/koxuferutamaguxerizin.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160bf89623f4fb---faxavidola.pdfIn PDF document text
- https://tramhuonghanoi.vn/upload/files/dezokogejefovelejatinonip.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091ca652653f---fabanovazefun.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/xefuzoj.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/mibakifomekumapopuv.pdfIn PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/75238902525.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c73afca07bd---50579131055.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=low+cal+strawberry+smoothiePDF 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_off0000ef4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF4A | 10688 bytes |
SHA-256: 1200293f91b1b1f0b2f62b2a7d39d966c028b8183e75fde88706b2dab12f14d8 |
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font_01_sfnt_off000107ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107EA | 17204 bytes |
SHA-256: 8cd04d364ad106a83accd791109efa81729d0091c7d4982a99134eebe477b0c1 |
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font_02_sfnt_off000134d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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