MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains embedded links, one of which, 'https://ttraff.ru/pify?keyword=addition+problem+solving+for+grade+1+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'addition problem solving for grade 1 pdf' and references the wkhtmltopdf tool, suggesting a lure to disguise malicious content. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve search engine ranking for malicious content or to obscure the ultimate destination.
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=addition+problem+solving+for+grade+1+pdf
- http://files.ghumc.org/uploads/1/3/2/7/132740525/waxapivinewax_nuwewoxebuve_zurorumunur.pdf
- http://gebivepa.cathryncariad.com/uploads/1/3/1/4/131407089/bogirerex.pdf
- http://files.jihyunhong.com/uploads/1/3/1/4/131438639/221bbf09e36.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97503793953.pdf
- https://cdn.shopify.com/s/files/1/0431/7764/0092/files/how_to_string_a_lacrosse_head.pdf
- https://cdn.shopify.com/s/files/1/0433/6576/1176/files/wurumafideperi.pdf
- https://cdn.shopify.com/s/files/1/0429/9236/9823/files/wilosumomegigelipedogako.pdf
- https://cdn.shopify.com/s/files/1/0439/3022/2747/files/59600114248.pdf
- https://cdn.shopify.com/s/files/1/0432/8642/9861/files/50127880838.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/3119416214.pdf
- https://cdn.shopify.com/s/files/1/0427/7587/1654/files/rakijurinupezewedami.pdf
- https://cdn.shopify.com/s/files/1/0430/8860/9429/files/vukepidiruwamopowixa.pdf
- https://cdn.shopify.com/s/files/1/0435/1728/0408/files/82078499169.pdf
- https://cdn.shopify.com/s/files/1/0433/0923/6374/files/83811301164.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/85479192824.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004b41.bin22b58dddc097f28250af9a6c1112b5419c96a7c372bf5f109333208de896705d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B41 | 5392 bytes |
font_01_sfnt_off00005d7d.bin1d16d78a999d9e8dc87e2cb692db314a3d2daf5edc9e3bace6e655fa07bbda43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D7D | 9964 bytes |
font_02_sfnt_off00007fa6.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FA6 | 4324 bytes |
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