MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that form a link farm, with several pointing to compromised CMS upload directories. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of a link farm suggests an attempt to lure users to external sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/13s0dtm3i82cpljdmvpfetofr0/sugizewilirijebef.pdf In PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ec74ed349---71327748011.pdfIn PDF document text
- http://originalcheck.it/public/img_admin/file/%5C/94073828804.pdfIn PDF document text
- http://gernano.eu/gfx/userfiles/files/78826666336.pdfIn PDF document text
- https://taxiparga.com/wp-content/plugins/super-forms/uploads/php/files/65c81d0765974def211927691d353f20/sakogixewunafawosojisugem.pdfIn PDF document text
- http://michianaorchidsociety.org/clients/2/28/2832e32407c795c8d28ffe68102aa18e/File/vutavulewalege.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/a618754c4a97546acf4f7bd14de09962/14444913115.pdfIn PDF document text
- http://fxmeat.com/upload/file/c6fafe793792906a04f50ece30a264d7.pdfIn PDF document text
- https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/83a3250d40292d4df3d7e106ba06a1c0/39492834921.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1b29f1806---75211064286.pdfIn PDF document text
- http://vorne-sitzen.eu/pcms/content/file/lijegimujebavamimoni.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ba87d0d5f82---wosusuwufumimej.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608139366fbf3---74928223075.pdfIn PDF document text
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160883415179fc---xokumanodelibu.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cd1a85636eb---jojigamevo.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/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=adguard+cracked+apkPDF 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e35a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE35A | 5084 bytes |
SHA-256: d560068f8fe459d8081c76a45b1ab63730b5f646081902c6a706e30e5ca414ee |
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font_01_sfnt_off0000f4bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4BF | 11888 bytes |
SHA-256: 580742c0b0f2eccbc13e50b9065b9cc8ca19c8a5962443d2f937bd1bc1985d31 |
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