MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised or disposable domains, suggesting a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, indicating the PDF is designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
Heuristics 6
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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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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://irastuff.com/admin/ckfinder/uploads/files/mizisizosuj.pdf In PDF document text
- http://visusmarble.com/images_upload/files/763810217.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a5307d73b65---94379337456.pdfIn PDF document text
- http://narcisse.sk/editor_uploads/files/lizipesegewobut.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9cd65a038---38930130977.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/b0eebc5fe6c2eaf52b54cb70c69dc3a9/gosivodidup.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-7-16/20210716064255668453.pdfIn PDF document text
- http://saxonsaxtonfamilyreunion.com/clients/f/f6/f6d0431f970e0833b0867c311dafb132/File/pagepodubez.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/kisotku98sdhs7pup7nok3iu15/doroxedukarubazujitor.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/7k34h71qfr1n9fp5kir2pnoj87/61523922691.pdfIn PDF document text
- http://cn-polylysine.com/d/files/jidonodidatetamavugegela.pdfIn PDF document text
- http://faceconnects.com/ci/userfiles/files/xivesaxaxonunazid.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071505558f3f---7351804023.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/jplrm7muvpcssu9c3qgor0n4l2/dopiwowakijewij.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc4cf550425---lifizebajititonazu.pdfIn PDF document text
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/l2e7e2vf7i3a66c4psbq0e74bf/67283816896.pdfIn PDF document text
- http://rosesrealtyhomes.com/userfiles/files/ladesip.pdfIn PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/kuxudevadajofidoda.pdfIn PDF document text
- http://ateliergermain.net/sites/default/files/file/28483320825.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aac258b8402---68177366656.pdfIn PDF document text
- http://palenice.net/obrazky_clanky/file/53604677578.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/edc79a53c3c9a86bbdcabc23bb09d8e7/79040210830.pdfIn PDF document text
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/v5sqqb3ur4a9vhpd0lnffsh317/72414083463.pdfIn PDF document text
- http://fujavietnam.com/images/Download/xewijeger.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed79c65921---mavenijulojaxupefo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=power+smokeless+grill+cookbook+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://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_off0000daf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f303.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF303 | 17824 bytes |
SHA-256: 387587a3cafda78d76348e0673dbcb1e75b6669901bb7cbb6e380ad66c3aee4d |
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font_02_sfnt_off0001219c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1219C | 10920 bytes |
SHA-256: cbb7825a1e42e7e4f20f8f67c2c0d28aa87ee64c54098efeb6d23bc147f79586 |
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