MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to Shopify domains hosting other PDFs, a technique often used for SEO poisoning or to obscure malicious redirects. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is likely the primary malicious objective. The ML classifier strongly indicated maliciousness, supporting the presence of malicious content within the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=huffman+tree+java
- http://files.empowerappleton.com/uploads/1/3/0/7/130775675/najigudav.pdf
- http://files.raleighwellnesscenter.com/uploads/1/3/1/4/131409305/sujare_fapikowu_juwumoned_vukezefek.pdf
- http://files.spelledlikethehockeyplayer.com/uploads/1/3/1/0/131069832/vujekukupapiwaduja.pdf
- http://files.aaronjarden.com/uploads/1/3/1/0/131070051/pafeduxaxiked.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/9671/6952/files/36137354912.pdf
- https://cdn.shopify.com/s/files/1/0432/6467/1909/files/70462940316.pdf
- https://cdn.shopify.com/s/files/1/0439/1567/3752/files/lutusenidemubukob.pdf
- https://cdn.shopify.com/s/files/1/0429/8748/7385/files/jonbenet_ramsey_autopsy.pdf
- https://cdn.shopify.com/s/files/1/0430/8143/3242/files/detug.pdf
- https://cdn.shopify.com/s/files/1/0434/6331/1512/files/fojuvalotafux.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zavokalozetaxolemo.pdf
- https://cdn.shopify.com/s/files/1/0435/4097/1674/files/sebagovafufekugun.pdf
- https://cdn.shopify.com/s/files/1/0437/9007/4018/files/31745023445.pdf
- https://cdn.shopify.com/s/files/1/0434/6062/4537/files/mevugawetotuxorofep.pdf
- https://cdn.shopify.com/s/files/1/0434/3929/2577/files/lovunif.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000065f9.binfc0f8e30bc7eb93c07833dbb9204c5e6e9ca72f5b5e19d54c4a9fa0dc09dbc41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65F9 | 4800 bytes |
font_01_sfnt_off0000763a.bin9fbc85768c1074e6bd94f99d375751f5bc4a042c0e56bb2894d9ff664d907708 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x763A | 14596 bytes |
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