MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one pointing to a known malicious redirector at 'https://ttraff.ru/pify?keyword=compound+predicates+worksheets+for+3rd+grade'. The document body, though heavily obfuscated, appears to contain text related to educational worksheets, suggesting a lure. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports malicious intent.
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.ru/pify?keyword=compound+predicates+worksheets+for+3rd+grade
- http://files.speysidefalconry.co.uk/uploads/1/3/1/4/131438323/b9029e8.pdf
- http://jasud.wazeechachurch.com/uploads/1/3/1/4/131454807/f1045d.pdf
- https://cdn.shopify.com/s/files/1/0430/9372/1255/files/hydrogel_agriculture_technology.pdf
- https://cdn.shopify.com/s/files/1/0439/0292/7003/files/bowirupekopibisekud.pdf
- https://cdn.shopify.com/s/files/1/0434/3939/0872/files/b._ed_psychology_book_in_telugu.pdf
- https://cdn.shopify.com/s/files/1/0434/8208/7576/files/xero_accounting_software_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/3063/3881/files/action_figure_price_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/0835/0615/files/milepuzuwagasafuzanoritez.pdf
- https://cdn.shopify.com/s/files/1/0434/5466/0770/files/functions_in_sqlite_android.pdf
- https://cdn.shopify.com/s/files/1/0432/3953/8851/files/kbh_games_sonic.pdf
- https://cdn.shopify.com/s/files/1/0430/7111/1330/files/american_english_file_3_final_exam_free_download.pdf
- https://cdn.shopify.com/s/files/1/0430/7956/5465/files/runukefifexegoritazatilaw.pdf
- https://cdn.shopify.com/s/files/1/0431/4244/7261/files/business_model_canvas_template_docx.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xazijejizamoketabuguta.pdf
- https://cdn.shopify.com/s/files/1/0436/7033/9737/files/xelebarafenizuvo.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_off00005372.binde36e7c961b18542ac94db1ebe36bd64311201e31b778cc0e8459b959896eac8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5372 | 5764 bytes |
font_01_sfnt_off000066f6.bind174aa45f6b3eb70961db4776d653aa9803ba7f31d6c55453c35d8f0864eb065 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66F6 | 9784 bytes |
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