MALICIOUS
272
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious intent, including links to known malicious redirectors and a link farm hosted on disposable infrastructure. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics as a malicious redirector. The presence of a 'download button' lure and a 'password-protected archive' lure suggests the document is designed to trick the user into downloading and decrypting a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 8
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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 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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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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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://ggtraff.ru/strik?keyword=adobe+livecycle+designer+torrent In PDF document text
- http://zudix.yottaearthhome.com/uploads/1/3/2/6/132696398/0c36cab1ab8ec.pdfIn PDF document text
- http://ziweraf.empowermentcoachforwomen.com/uploads/1/3/0/8/130814010/1c7b4d619ee933.pdfIn PDF document text
- http://pegupukig.tskjesusfreak.com/uploads/1/3/1/6/131607095/jowufopikud_pamejavi_wuzel_rezadironuzus.pdfIn PDF document text
- https://site-1038522.mozfiles.com/files/1038522/vowogexamug.pdfIn PDF document text
- https://site-1036626.mozfiles.com/files/1036626/jesagebugasete.pdfIn PDF document text
- https://site-1037164.mozfiles.com/files/1037164/taxoworadodukonorerazuwa.pdfIn PDF document text
- https://site-1036767.mozfiles.com/files/1036767/wapasasodufipesidopu.pdfIn PDF document text
- http://picfs.com/18a0ueadobeIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2920/8992/files/bonaire_evaporative_cooler_installation_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1855/0439/files/2422205524.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c63c80e-681a-4811-9f5a-9537afe8e7e0/lokokejena.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/511a0868-5e80-40b3-9073-772c27eefab2/gigolemejetefediguwufaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bada274d-e3bd-435e-b6fe-199748bd835f/vujazuwixiwujixerakorajo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/41fb47b2-0672-4b57-9b3c-e947186d66f7/82361781815.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/44ad44c9-d3af-4549-9ac0-a86b4e941041/13682655649.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eae4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE4 | 5188 bytes |
SHA-256: 46bb81268bfdd55173058d75d07ca09ec1e3438aa75daee1d5f6a72409ad7128 |
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font_01_sfnt_off0000fca5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA5 | 16744 bytes |
SHA-256: 3428c588431a2ee59f134fdf827d57b48b57db81c808a7351991b04ad220935c |
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