MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.003 Command and Scripting Interpreter: Windows Command Shell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, many hosted on Shopify. The document body also contains instructions that suggest a lure for clipboard command execution and password-protected archive handoff, indicating a multi-stage attack. The primary intent appears to be directing users to malicious infrastructure via the 'ttraff.com' URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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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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://ttraff.com/pify?keyword=arma+3+server+hosting+guide In PDF document text
- http://files.gresford.org.uk/uploads/1/3/0/8/130813489/7b9cd09.pdfIn PDF document text
- http://vabolun.setfreelife.net/uploads/1/3/0/7/130776458/5194035.pdfIn PDF document text
- http://files.paiboon.biz/uploads/1/3/1/4/131406762/1208977.pdfIn 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/1/0437/6425/2823/files/82757689789.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9616/9886/files/refudetopunepig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4749/2506/files/geology_terminology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0857/3085/files/20354835823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0416/5285/files/ximovuguditigogevabex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1534/7103/files/15387334856.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6295/1062/files/3d_max_tutorial_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0326/4667/files/luxaxizofo.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
- 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_off00009ccf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CCF | 5420 bytes |
SHA-256: 1b4ce42c1c4642ad53924523f7bf70ce7f73ac20be6edbad23384865a6f5352b |
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font_01_sfnt_off0000af16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF16 | 13244 bytes |
SHA-256: 0f9e8759292d32f6183f5eb70b6990781ce6d2cb90521d02c685bc99ac53a5a6 |
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font_02_sfnt_off0000d9da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9DA | 16204 bytes |
SHA-256: f04fb96856fa86c99babb5bf309615b780632e07d2318923ed038a7bfd4fd4ce |
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