MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by a machine learning classifier and contains numerous embedded links. One of these links, https://ttraff.cc/pify?keyword=adding+and+subtracting+negative+numbers+worksheet+with+answers+pdf, points to a known malicious redirector. The document appears to be a link farm designed to drive traffic to potentially harmful sites, masquerading as educational material.
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.cc/pify?keyword=adding+and+subtracting+negative+numbers+worksheet+with+answers+pdf
- http://files.okcsweets.com/uploads/1/3/0/7/130775232/tuwuxupijijojasuxo.pdf
- http://files.michigansaf.org/uploads/1/3/1/1/131164202/3352147.pdf
- http://files.petergibsongrimes.com/uploads/1/3/1/3/131397987/9842447.pdf
- https://cdn.shopify.com/s/files/1/0429/5216/3482/files/27935001088.pdf
- https://cdn.shopify.com/s/files/1/0431/0643/5232/files/9540699642.pdf
- https://cdn.shopify.com/s/files/1/0431/6528/6566/files/ziwoxawobofetuwig.pdf
- https://cdn.shopify.com/s/files/1/0434/7346/9597/files/17535408594.pdf
- https://cdn.shopify.com/s/files/1/0451/0570/9219/files/air_force_y_group_previous_year_paper.pdf
- https://cdn.shopify.com/s/files/1/0428/6509/8908/files/21680031677.pdf
- https://cdn.shopify.com/s/files/1/0431/8747/0499/files/bazefiso.pdf
- https://cdn.shopify.com/s/files/1/0449/8512/2984/files/angiosperm_anatomy.pdf
- https://cdn.shopify.com/s/files/1/0449/5346/9083/files/miller_and_levine_biology_textbook_teacher_s_edition.pdf
- https://cdn.shopify.com/s/files/1/0435/5588/1111/files/61552158912.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93616534700.pdf
- https://cdn.shopify.com/s/files/1/0432/8118/6972/files/dedufo.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_off00006160.bin78e0d7df4c6404c8d3cc0671e9e512bf40857da9257034266d0bc51e1ada423a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6160 | 5884 bytes |
font_01_sfnt_off00007556.bin52e8308b1ff809ae5cbc9cd8c87c5f0a691e733110877017fb3424a0a77f408f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7556 | 10416 bytes |
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