MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
T1071.001 Web Protocols
The PDF document contains a heuristic firing for a malicious redirector link and a link farm, suggesting it's designed to lead users to external malicious sites. It also includes a social engineering lure to install a browser extension or update. The primary malicious URL identified is https://ttraff.com/pify?keyword=js+empty+function, which is likely part of a redirection chain to deliver further payloads. The document body itself is heavily obfuscated, but the presence of URLs and the heuristic firings strongly indicate a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=js+empty+function In PDF document text
- http://files.divimar.com/uploads/1/3/0/9/130969562/a1267cfcd1ec2b7.pdfIn PDF document text
- http://files.paradiseprintsfashion.com/uploads/1/3/2/8/132813998/443a6.pdfIn PDF document text
- http://files.artfultim.com/uploads/1/3/1/4/131453065/dbe7083d8.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
- https://cdn.shopify.com/s/files/1/0430/4686/2997/files/vasujegefutusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/varefejawowin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2311/3119/files/drowned_city_of_skalla.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3365514284.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3894/6981/files/40608701565.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8644/4699/files/windows_7_pro_product_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2358/8773/files/17724782719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4323/2661/files/37190587426.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/84752976205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0275/7281/files/58901596771.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4319/1969/files/jamonisenomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/kenmore_500_series_washer.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_off00007828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7828 | 4796 bytes |
SHA-256: 2d244f928144a56b52733c56fa53a82f18e863095502129a7e4ffb965d19bef4 |
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font_01_sfnt_off00008876.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8876 | 13952 bytes |
SHA-256: c6ee8f658f48d52debcca91273118214d9f009db4c69f6c39c8980e44f2c7c2f |
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font_02_sfnt_off0000b514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB514 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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