MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning tactic. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=demonstrative+pronoun+worksheets+for+grade+1+pdf'. The document body, though heavily obfuscated, contains this URL and other Shopify URLs, indicating a lure to potentially malicious content disguised as educational worksheets. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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.ru/pify?keyword=demonstrative+pronoun+worksheets+for+grade+1+pdf
- http://guvefap.ndsportschannel.com/uploads/1/3/1/3/131379478/wusogepesifefe-timevijatefa-tilijipozoki-xiwawaxariduki.pdf
- http://files.amandasmusiclessons.com/uploads/1/3/1/6/131607600/zidibajawogewu-gatekinapefor-nidoweg-zuwirimamudakol.pdf
- http://files.yourwshop.com/uploads/1/3/1/4/131437376/puzukono.pdf
- http://borumap.viana-motion.com/uploads/1/3/2/6/132683138/livupurikub.pdf
- https://cdn.shopify.com/s/files/1/0437/6159/8616/files/adobe_editor_for_pc.pdf
- https://cdn.shopify.com/s/files/1/0432/8793/7179/files/rapapafejade.pdf
- https://cdn.shopify.com/s/files/1/0437/0166/5960/files/pdf_split_and_merge_mac_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/7745/9365/files/wuxopako.pdf
- https://cdn.shopify.com/s/files/1/0460/0001/3479/files/zezitavax.pdf
- https://cdn.shopify.com/s/files/1/0435/0646/6975/files/android_headphone_amp_app.pdf
- https://cdn.shopify.com/s/files/1/0429/6497/5765/files/kafanele.pdf
- https://cdn.shopify.com/s/files/1/0431/6938/2568/files/dependency_theory_andre_gunder_frank.pdf
- https://cdn.shopify.com/s/files/1/0439/3625/2072/files/lord_of_the_flies_symbolism_essay.pdf
- https://cdn.shopify.com/s/files/1/0437/5478/2869/files/24767190736.pdf
- https://cdn.shopify.com/s/files/1/0431/2019/7789/files/thyroidectomy_steps.pdf
- https://cdn.shopify.com/s/files/1/0429/2637/5071/files/37790864166.pdf
- https://cdn.shopify.com/s/files/1/0438/5207/1074/files/repemufof.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_off00006145.bin386c9c582ce4079d2d1aedb75bea46d4640b8cab8b9512e146d4f771cf882689 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6145 | 5688 bytes |
font_01_sfnt_off00007495.bin8ad1ec704d6827917290770002cf4fc9ea73e052452ad2dd94f8279066254e79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7495 | 10160 bytes |
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