MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the document contains a link farm pointing to compromised CMS uploads and disposable hosting, suggesting it's used to distribute malicious content. The embedded URLs, despite some being marked benign, are part of a pattern to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/ccd1860c5983e1b8e2543f220b4a5279/33696789205.pdf In PDF document text
- https://asharfilalkulfi.com/ckfinder/userfiles/files/zezefolijikogemaxi.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/o0r7kk5uj85cpa9hhln7gqolco/savezedififi.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9c9bc6bd1---77767429575.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079d6c4995e0---93849524569.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606da1a291a85---luburuzevimidevajodepuduv.pdfIn PDF document text
- http://bioterapiazabiegi.pl/obrazy/file/67509282676.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/cvr7au142grq6bcq3un8ioo8c7/28996930256.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/nanupina.pdfIn PDF document text
- http://aaykpn.com/uploads/editor/files/5634685211.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/647157864.pdfIn PDF document text
- https://aduanaldelvalle.mx/userfiles/file/9082209686.pdfIn PDF document text
- https://lasanisports.com/files/tibumifizazefigosekano.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a104ebc0e9---lepidubel.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/d3a0dd0e20dffa651c15f7347a6016e0/74175147682.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-5-8/20210508183035678253.pdfIn PDF document text
- https://sportsht.com/userfiles/file/nikaxiwi.pdfIn PDF document text
- http://bestapp4u.com/admin/uploadedfiles/file/99861501211.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/83f2dc987cfb21d30825afd6c60f1d77/divilazigekefi.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1606c99070fed7---venezosesakadaxogeku.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=perfect+ed+sheeran+partitura+piano+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ceff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEFF | 5092 bytes |
SHA-256: b35e2f4ac9ae6c40b819d5a1e286fa9301491109241730c6c7a61e1c7b675786 |
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font_01_sfnt_off0000e03a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE03A | 10876 bytes |
SHA-256: 5447d1efaafd8980a9321e3a664f0687e2f18c8bf42d0dfe8dbe9f52685d21f2 |
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font_02_sfnt_off00010416.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10416 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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