MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9362198a3---26144695467.pdf In PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/b2a6685e9524c6d6a81a34f7d728a502/kafivonelixe.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/lh3fjkb04equdro9s2hg1c9dqo/66150709429.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/950f157266a30552843a98b7dbe6d8f4/besoxuwikof.pdfIn PDF document text
- https://majorsagilekvaros.hu/uploads/file/229122466.pdfIn PDF document text
- http://on-video.com/movies/movie_data/file/28749703252.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d10834d7a---jubefakenumewebed.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/c5adfb3342b37777f82e1daa72614cd5/57552708528.pdfIn PDF document text
- http://thuephotocopytaihanoi.com/upload/files/11607828975.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/e696f104930ced1e5773604fd6ae5dc2/sowoleta.pdfIn PDF document text
- http://centroolosprato.it/userfiles/files/pawurulalusili.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/8d50fcb5c51881ce10bda238112b9d63/22518815095.pdfIn PDF document text
- http://ahlhy.com/uploads/file/020053278181.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/9f7015ec558249075775230cfe71272b/fisoluxigakikisenajelafuw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=jwt+magazine+march+2020+pdf+free+downloadPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A0 | 5796 bytes |
SHA-256: 77e8b6668d81eac8cf57f3d3ece43f655daaa848d1a52ad583ce0c7503f4bb38 |
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font_01_sfnt_off0000fd49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD49 | 2116 bytes |
SHA-256: 1f756b46481ac718095810e133e155ec1caf818687d25c20e8b002f727d713c7 |
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font_02_sfnt_off000106f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106F5 | 11484 bytes |
SHA-256: 8097c667d199ffe57ff1919c9ce358a9255a58287d0f0fe9d74b85d60fa86740 |
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font_03_sfnt_off00012d8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D8D | 3032 bytes |
SHA-256: 613caf5db073f656b18e5163aaa446ec3139f6ee10226ec6dfcab4555e3d4933 |
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