MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits characteristics of a link farm, with numerous embedded URLs. One critical heuristic identifies a malicious redirector link, suggesting an attempt to lure users to harmful content. The ML classifier also strongly indicates maliciousness. While the document body contains seemingly benign text related to grammar worksheets, the embedded links and heuristic firings point towards a malicious intent, likely to manipulate search engine results or redirect users to phishing or malware distribution sites.
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.cc/pify?keyword=adjective+clauses+with+prepositions+worksheets
- http://files.redwingfarm.net/uploads/1/3/1/6/131637273/b60dea50d597c8d.pdf
- https://cdn.shopify.com/s/files/1/0434/9588/2918/files/unearthed_arcana_5e.pdf
- https://cdn.shopify.com/s/files/1/0428/1883/0492/files/moviescounter_2018_hollywood_movies.pdf
- https://cdn.shopify.com/s/files/1/0432/8800/2710/files/croft_syntactic_categories_and_grammatical_relations.pdf
- https://cdn.shopify.com/s/files/1/0434/9018/1286/files/retonevupebesubatufaro.pdf
- https://cdn.shopify.com/s/files/1/0430/3280/5527/files/98687369796.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20880330559.pdf
- https://cdn.shopify.com/s/files/1/0434/7589/4422/files/manual_de_economia_politica_urss.pdf
- https://cdn.shopify.com/s/files/1/0432/3665/5259/files/12795457982.pdf
- https://cdn.shopify.com/s/files/1/0435/2606/2239/files/zibew.pdf
- https://cdn.shopify.com/s/files/1/0429/3397/7255/files/jejuximejoje.pdf
- https://cdn.shopify.com/s/files/1/0431/2065/6545/files/list_of_famous_inventions_and_inventors_download.pdf
- https://cdn.shopify.com/s/files/1/0438/0858/7936/files/anonymity_and_confidentiality_in_research.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zipepatijexozuzazes.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/fetujiraxabag.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_off00006f20.bina10364e8fa0a2e63710b534f0c9c522554c183a187cb34b736ca8581651874a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F20 | 5324 bytes |
font_01_sfnt_off0000813f.binc99451cf6886422960315aa286877722ba4ad086548ac5320eaab193561765fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x813F | 10524 bytes |
font_02_sfnt_off0000a52c.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA52C | 4324 bytes |
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