MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress sites, likely to host phishing content or distribute further malware. The presence of embedded URLs and the nature of the heuristics strongly suggest a phishing or credential harvesting attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/j0j3fr33kds88hkq71644a5ots/42279692610.pdf In PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075629b486f6---kesufiworatozav.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/2a2c67b7f98f52c7d06f24ec2f50bdd7/7661666866.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/diwufasorulidowiwerotebof.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/262b9c43ecf9b7ed02f4c4045d400cc8/30134721736.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/605ead8065e35f201f0e15057f0a32ad/83469263105.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/fd967c0456681c8d37db58ae97cc44e7/3172648184.pdfIn PDF document text
- https://pensiunea-escape.ro/ckfinder/userfiles/files/77183529967.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/260a4f95b6b9af3fd936c4883fc1e40d/gisuw.pdfIn PDF document text
- https://kimtuong.vn/isc/public/files/fckupload/file/dapowedovuro.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/79661109244.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/t5pp7cop5b8c7c81g4830e2np3/70983121245.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/e6f3db8a1588ee7543fc62241d236b70/sikomorilapode.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/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=wren+martin+answer+key+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
- 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_off0000c3cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3CD | 5428 bytes |
SHA-256: 8cc43ee6a2f2af6eb2d0fb26ded194025d58ee7e58ab8e6e8eb1efe18bc97323 |
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font_01_sfnt_off0000d64a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD64A | 10572 bytes |
SHA-256: b88caa5fcdb3d343c951d035345a1bdb8bb493070e652abf12791be63743f736 |
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font_02_sfnt_off0000fa8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA8A | 16164 bytes |
SHA-256: 6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3 |
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