MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that point to compromised WordPress upload directories, likely serving as a distribution point for further malicious content. The embedded URLs and the heuristic firings suggest an attempt to lure users to malicious sites, consistent with spearphishing tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b86635a5cc2---luzodojebawukiginozegim.pdf In PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607459b197f06---53105109892.pdfIn PDF document text
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/8eaa34ff7463a9c379113a60a1cf87fb/legarelanuzo.pdfIn PDF document text
- https://wsbtitan.com/images/file/46757931580.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d76d9f103---jexigi.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab31bafad1---redujazazavefuwonenifelul.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/4733a56d7f32d98c50b908b8127a9562/kiraroxadaso.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7e785522e---35046110519.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/sgaqoi3m10mkmr00srh2ane89l/58630125248.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e183bc0bd---81539383584.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a1da46118b9---tanokowomu.pdfIn PDF document text
- http://nsdadventist.org/FCKData/file/26446464848.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160750816b6b40---fididamomorafavuviludigo.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/3026424907.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/27c7adeca0465e1d9b5cd125d694fd96/26365990486.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/19999397c1c63293bd1977d38c744f87/zesuvodap.pdfIn PDF document text
- http://wang023spa.com/userfiles/202106file/2021062219065970554.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/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=the+empty+pot+by+demi+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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE149 | 4956 bytes |
SHA-256: 21fd81ff0a461a95a295fc07a4f57b79db30791e2c3e7d69140bc787a01c28b1 |
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font_01_sfnt_off0000f207.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF207 | 11080 bytes |
SHA-256: fbd3ee42221fb0f4d98f66e85f49a7183ed2815835fb8dda759b5fe135a8f4ef |
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