MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, characteristic of a link farm designed to direct users to potentially malicious websites. The presence of a 'Password-protected archive lure' heuristic suggests it's part of a multi-stage attack where the user is prompted to download an archive, likely containing a payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://trafffi.ru/wb?keyword=recargar%20diamantes%20free%20fire%20por%20pagostore PDF link annotation
- https://vunixumo.weebly.com/uploads/1/3/1/4/131453253/25f71d5038.pdfIn PDF document text
- https://nixixufusolawig.weebly.com/uploads/1/3/4/8/134882604/mujiretela.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383577/normal_5f98745959efc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464852/normal_5fe5de0d3a88d.pdfIn PDF document text
- https://nokaxogu.weebly.com/uploads/1/3/4/5/134520383/1043470.pdfIn PDF document text
- https://wibagubid.weebly.com/uploads/1/3/4/3/134373733/bofusoxiwodiwufi.pdfIn PDF document text
- https://varodapomibaga.weebly.com/uploads/1/3/4/8/134874415/nelasemewuked_jivujosiga_ralopisigodad_zizusijumame.pdfIn PDF document text
- https://dedolodaramolon.weebly.com/uploads/1/3/1/4/131455072/xuvikipu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418590/normal_5fe39d692c3dc.pdfIn PDF document text
- https://biwurozijusuxux.weebly.com/uploads/1/3/4/7/134724143/3502e80.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369643/normal_5fa683ad19d0a.pdfIn PDF document text
- https://rifijilaguselud.weebly.com/uploads/1/3/4/8/134846829/b5e13cd3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/cbf8b7d2-cc63-4609-babc-f50ee15001c5/31397290139.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f77717df-a64d-4cf2-ae7c-895e05f3cd29/53949869318.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c832f3fe-cb88-4059-b607-d9c286098755/liletefebaliwosani.pdfIn 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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d445.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD445 | 6744 bytes |
SHA-256: b29f9350a720d2da9dc50567d08c4a82684db1fcb28a47e3a5788345b392d808 |
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font_01_sfnt_off0000e52a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE52A | 5448 bytes |
SHA-256: 6b879b79ef6934ba345aaafc85c790ffebf9bee21d5b6a7961950f6de642be95 |
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font_02_sfnt_off0000f7a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A4 | 12124 bytes |
SHA-256: 20ba79bc9e871c7d8f086df878c26edd08dce82cafc4919c206271d207249c48 |
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font_03_sfnt_off00011f74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F74 | 16312 bytes |
SHA-256: aad9bc0f36eadc3314e08670b59090120051e308b357201f134af3d0b781b2b0 |
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