MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.com. This suggests a phishing or malware distribution attempt disguised as educational content. The ML classifier strongly supports the malicious verdict.
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/wb?keyword=heating%20effect%20of%20electric%20current%20class%2010%20pdf
- http://files.cslenergy.com/uploads/1/3/1/4/131484133/eab14e4b27.pdf
- http://files.southwestpassages.org/uploads/1/3/0/8/130874213/lezuradeviko-gukivawokevugo-fuzuwopuris.pdf
- http://pufoz.porkpalace.com/uploads/1/3/0/8/130874493/vipudalotemopa.pdf
- https://cdn.shopify.com/s/files/1/0432/3039/6574/files/gixijokuluwanudulo.pdf
- https://cdn.shopify.com/s/files/1/0433/0933/4696/files/kawowakitasafelupu.pdf
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/73019668934.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/64989875230.pdf
- https://cdn.shopify.com/s/files/1/0435/6807/0824/files/salowenarafanuvovedapopex.pdf
- https://cdn.shopify.com/s/files/1/0437/3594/1274/files/xexazunupobati.pdf
- https://cdn.shopify.com/s/files/1/0429/0415/8364/files/simple_wave_drawing.pdf
- https://cdn.shopify.com/s/files/1/0434/9886/4804/files/dodezerutujadobejitadeba.pdf
- https://cdn.shopify.com/s/files/1/0428/2014/1223/files/vujibokubedarim.pdf
- https://cdn.shopify.com/s/files/1/0431/8029/4298/files/muwamulijewisekex.pdf
- https://cdn.shopify.com/s/files/1/0434/5652/8537/files/anatomy_of_retina.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006006.bine8577b86431281a8287f3988a7149029e00833c964e7e9a671b8c7e629a04de4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6006 | 5476 bytes |
font_01_sfnt_off000072b0.bin47ca92553d547b5f4be9507df3c02e4e5c1d8accd79d3db84f17a675693875cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72B0 | 10504 bytes |
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