MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to external resources, with one specific URL identified as a malicious redirector. The document body, though heavily obfuscated, contains the text 'Spelling numbers 1-100 worksheet' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier also strongly indicated maliciousness.
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/wb?keyword=spelling%20numbers%201-100%20worksheet
- http://files.radanjana.com/uploads/1/3/1/6/131606201/9916399.pdf
- http://files.hometohonningsvog.com/uploads/1/3/2/6/132681436/potufozadisuz.pdf
- http://files.speysidefalconry.co.uk/uploads/1/3/1/4/131438323/b9029e8.pdf
- http://files.theneuromuscularcenter.com/uploads/1/3/0/7/130775506/sefogutano.pdf
- http://files.onurokcal.com/uploads/1/3/1/4/131453588/d558157e32.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/9980/7126/files/40504171875.pdf
- https://cdn.shopify.com/s/files/1/0440/7525/3910/files/pukizutuxap.pdf
- https://cdn.shopify.com/s/files/1/0430/9906/2426/files/mamovanesilofar.pdf
- https://cdn.shopify.com/s/files/1/0433/1061/2644/files/12530490245.pdf
- https://cdn.shopify.com/s/files/1/0435/3271/4135/files/vukisutaxi.pdf
- https://cdn.shopify.com/s/files/1/0433/9925/0072/files/18059113255.pdf
- https://cdn.shopify.com/s/files/1/0435/7727/8623/files/burukisilafobusuno.pdf
- https://cdn.shopify.com/s/files/1/0432/9324/5600/files/articulos_cientificos_de_psicologia_clinica.pdf
- https://cdn.shopify.com/s/files/1/0438/9765/1352/files/ibew_practice_test_free.pdf
- https://cdn.shopify.com/s/files/1/0434/5433/3093/files/zaxirufaxuwu.pdf
- https://cdn.shopify.com/s/files/1/0432/6424/5922/files/dapotajozofowo.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000609b.binfccdf0e87c467bc56f2daf5f0ff26ba0d72bc152ea50e0fd3015ffb81252cef1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x609B | 5648 bytes |
font_01_sfnt_off000073cd.bin8910a43f008ba13c0c30c6ce55afeb6448204ce12f970020a685da813ff3caae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73CD | 10156 bytes |
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