MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress upload directories and other disposable hosting sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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 http://phatnang.com/media/ftp/file/86020300574.pdf In PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/a2ab5e60e161c8d26d1e2ade8aa12a95/63340057460.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/reris.pdfIn PDF document text
- http://espokebar.com/uploads/files/3667012314.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084cd26cdbe5---nesezujidudipi.pdfIn PDF document text
- https://zippy-inc.com/app/webroot/userfiles/files/loziposiwipadabe.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/f922eb2cccc86bb4ce390712bf25b36b/mawevugefale.pdfIn PDF document text
- http://unipsyclinic.com/userfiles/file/20210621040640.pdfIn PDF document text
- http://bona-agra.pl/Upload/file/80408800318.pdfIn PDF document text
- http://arnold-sitter.com/CKEdit/upload/files/70555019731.pdfIn PDF document text
- https://o2opr.co/userfiles/files/65581934609.pdfIn PDF document text
- https://kaptenhoki.net/contents//files/73938488003.pdfIn PDF document text
- http://tapestry.cz/images/file/files/rubomulejapuvalenepifaje.pdfIn PDF document text
- http://axwelindia.com/uploads/47140058478.pdfIn PDF document text
- http://lnyy.cc/uploads/file/1628625429.pdfIn PDF document text
- https://cfi-registration.org/buzzboxgift/img/userfiles/files/81576325233.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/d28554914bbd006588bf563500c99ab9/gevogura.pdfIn PDF document text
- http://mamaskitchenorder.com/uploads/files/88791076859.pdfIn PDF document text
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ac12c69a043---83684677785.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c33c9a09ceb---29107258707.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/komuwetolufufidiliku.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=exercice+chaine+de+cotePDF link annotation
- http://medlab.webd.pl/upload/file/gexaveja.pdfIn PDF document text
- 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_off0000b68b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB68B | 16572 bytes |
SHA-256: d84adb0de644694137b0472520a5c836d58af117da5d43a19718c8a8141d5ace |
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font_01_sfnt_off0000e05c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE05C | 10340 bytes |
SHA-256: 91552cb9b0323a2fe8b6d00c1215120247d65e58b5f752b20632b86260a6743c |
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font_02_sfnt_off0000f7a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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