MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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, routes users through malicious redirector infrastructure 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 0.9995
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/123?utm_term=windy+and+warm+chet+atkins+lesson In PDF document text
- http://xevimajitufom.iblogger.org/65286892050.pdfIn PDF document text
- http://wordwild-store.com/liwugigesifr29u.pdfIn PDF document text
- http://bio-ita.fun/98764904374lh70z.pdfIn PDF document text
- https://cdn.sqhk.co/fodexuxefeba/51LIAhf/crazy_zombie_9_free_download.pdfIn PDF document text
- https://cdn.sqhk.co/papusabefo/b3hayno/9349168381.pdfIn PDF document text
- http://organic-ita.space/lofagumetogetnwlky.pdfIn PDF document text
- http://daliadiago.com/best_gravity_blanket_reviews79ype.pdfIn PDF document text
- https://cdn.sqhk.co/zarudaletok/jbjhjfP/85114100373.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
- http://wedagavuvux.epizy.com/86554122453.pdfIn PDF document text
- http://pitikepaz.epizy.com/philharmonik_vst_plugin.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
- 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_off0000cde4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDE4 | 5236 bytes |
SHA-256: 25e7b2c4ec0e7b6bae90871f60d6208b8f1ab84039abab3b01410a4a84e332ea |
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font_01_sfnt_off0000df90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF90 | 11104 bytes |
SHA-256: 4ec1131fe9c62900bc16f2b919629207d39ddfccd7c36dd9f3b9415f336f8e6b |
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font_02_sfnt_off0001059a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1059A | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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