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 0.9999
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 https://archism.ru/uplcv?utm_term=kingsman+the+golden+circle+telugu+dubbed+movie+download PDF link annotation
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/emn56hs7guaoh3ngc5b6i8e2b1/69879910534.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed342bee0d---9273296480.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/92a03d1c95647daa30f3953c0a80ec05/fujowumerabumumat.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b86d2ea8f61---26842816110.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070be453428f---bazufoxipilobuwefedanuzu.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092868a0d7c5---64500629981.pdfIn PDF document text
- https://binarbaidrealestate.com/public_html/userfiles/file/bexezegigogosatajekuxavor.pdfIn PDF document text
- https://nadamasristorante.it/file/39814546043.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcbd0cf2d37---28117551812.pdfIn PDF document text
- https://vieclamxaydung24h.com/upload/files/dibutomo.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/wiponenisajijimog.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/d534a160d68676a2ae909eaac4d9d952/xodixonewisagobu.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/cv11jtmui6o076rdb00gb7j1p6/fufujewago.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c3dd5f96223---43129786146.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae919b94db---xesokojowani.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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_off0000df12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF12 | 5616 bytes |
SHA-256: e4dfb99279ac39768ada15d7e0b8f282343864f8d4247b8feaad459222293a01 |
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font_01_sfnt_off0000f218.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF218 | 11696 bytes |
SHA-256: 65b13577576446c54b8d7971a269d3060c079eac5014208ef7e642c50dc73751 |
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font_02_sfnt_off000119d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119D3 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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