MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'adding unlike fractions' and the URL 'https://ttraff.ru/pify?keyword=adding+unlike+fractions+common+core+worksheets', suggesting a lure to a malicious site. The ML classifier also flagged this PDF with high confidence.
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=adding+unlike+fractions+common+core+worksheets
- http://files.tinytownllc.com/uploads/1/3/1/4/131437471/9208199.pdf
- http://files.copewithcancer.net/uploads/1/3/1/3/131384071/dowubazowid_lorovul_tefopatekunurov.pdf
- https://cdn.shopify.com/s/files/1/0434/7074/9856/files/52636013623.pdf
- https://cdn.shopify.com/s/files/1/0437/6900/4190/files/meri_bhavna_jain_bhajan_free.pdf
- https://cdn.shopify.com/s/files/1/0432/2204/0731/files/off_balance_sheet_liabilities_example.pdf
- https://cdn.shopify.com/s/files/1/0432/7168/4252/files/54547863905.pdf
- https://cdn.shopify.com/s/files/1/0431/1918/1978/files/pejujodidewopiduwajebi.pdf
- https://cdn.shopify.com/s/files/1/0432/1938/6526/files/84959170188.pdf
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/pasabulubaza.pdf
- https://cdn.shopify.com/s/files/1/0433/4757/4949/files/top_100_songs_torrents.pdf
- https://cdn.shopify.com/s/files/1/0433/8493/0462/files/chrome_tabs_query.pdf
- https://cdn.shopify.com/s/files/1/0445/8476/3556/files/parliamentary_and_presidential_form_of_government.pdf
- https://cdn.shopify.com/s/files/1/0435/2478/4292/files/16188477788.pdf
- https://cdn.shopify.com/s/files/1/0431/1787/1255/files/afk_arena_team_building_guide.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/
- https://cdn.shopify.com/s/files/1/0437/6900
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009a15.bin685a39be3f5f0fda903982272766a4305543c1e9dc8f51c3ca5a27dd37772a8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A15 | 5580 bytes |
font_01_sfnt_off0000acf0.binfe520d61b739392d85b93fe9d9f5311e3d8d46c277da18dcde93b6873e0de3df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACF0 | 10100 bytes |
font_02_sfnt_off0000cfb6.bin64e13322576ebe4b9a20b8efdba1cb2c8bc01163a7c4e1ba1f667a2d7cf8e6df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFB6 | 16116 bytes |
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