MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.cc, which is designed to lead users to further malicious content. It also hosts a large number of external PDF links, many of which are hosted on Shopify, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly indicated maliciousness, supporting the presence of malicious links.
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.cc/pify?keyword=square+root+of+243+in+radical+form
- http://meluxuf.theheartofgolf.com/uploads/1/3/0/9/130969191/nabudetosabowotewaw.pdf
- http://paxefo.annabellalwin.com/uploads/1/3/1/4/131453463/xanoliwewutamej.pdf
- http://puzege.phisigmapidavis.com/uploads/1/3/1/3/131379730/sujipijelenewurex.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuxovozukirofavekejob.pdf
- https://cdn.shopify.com/s/files/1/0431/5286/7494/files/katedaso.pdf
- https://cdn.shopify.com/s/files/1/0433/0107/7142/files/smartsheet_training_nz.pdf
- https://cdn.shopify.com/s/files/1/0435/5381/6728/files/nazafejibegeluferofo.pdf
- https://cdn.shopify.com/s/files/1/0431/9277/8916/files/79420627949.pdf
- https://cdn.shopify.com/s/files/1/0440/7682/6789/files/6699414574.pdf
- https://cdn.shopify.com/s/files/1/0433/1254/5950/files/xijosixuwizivotasu.pdf
- https://cdn.shopify.com/s/files/1/0438/6576/8096/files/30789805473.pdf
- https://cdn.shopify.com/s/files/1/0431/4388/9058/files/31998169982.pdf
- https://cdn.shopify.com/s/files/1/0434/7658/2552/files/72891894104.pdf
- https://cdn.shopify.com/s/files/1/0431/6341/8784/files/vilofaloxisafokon.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000542f.bin1664832449e378fff3a7c266913f665612f611241d88f73afe1f5285aff33393 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x542F | 5484 bytes |
font_01_sfnt_off000066ba.bin23e142771cd84cae07fac4a5ec4ee10e70ad41ef86331cefbdb7758fd68bdad5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66BA | 10160 bytes |
font_02_sfnt_off00008946.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8946 | 4324 bytes |
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