MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded URLs, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'reported speech worksheets class 8' and the malicious URL. The presence of a PDF link farm heuristic further suggests an attempt to distribute malicious content or traffic. The ML classifier strongly flagged this PDF as malicious.
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=reported%20speech%20worksheets%20class%208
- http://files.childrensfocusfoundation.org/uploads/1/3/1/6/131606262/modakizedijomigegime.pdf
- http://files.pottershouselismore.com/uploads/1/3/1/4/131453393/975679.pdf
- http://files.maycontainnotes.uk/uploads/1/3/1/8/131856476/selixorada.pdf
- http://files.quietlegend.com/uploads/1/3/2/6/132695633/40a14b0ff7da3.pdf
- https://cdn.shopify.com/s/files/1/0438/0606/4801/files/88422351639.pdf
- https://cdn.shopify.com/s/files/1/0431/7341/3028/files/wujoxatafozigolatusisem.pdf
- https://cdn.shopify.com/s/files/1/0429/7100/5082/files/33837680259.pdf
- https://cdn.shopify.com/s/files/1/0432/8967/3883/files/gezukujaf.pdf
- https://cdn.shopify.com/s/files/1/0437/6113/9861/files/xbox_controller_keys.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15843942414.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/depusulolunifanilux.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26443777516.pdf
- https://cdn.shopify.com/s/files/1/0430/8949/4177/files/73433344157.pdf
- https://cdn.shopify.com/s/files/1/0434/2677/5196/files/43165584282.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/26433336276.pdf
- https://cdn.shopify.com/s/files/1/0434/3096/9511/files/lapuferirigu.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_off00007644.bin5dcf6aecc2ec400d793972d8fdfeb47c105c9be23492cf05e2f3ee788f7a4ef8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7644 | 5516 bytes |
font_01_sfnt_off00008914.bin8146d493a5e2daab79f2de578cb7eaf5be9db043d8e4fae244fe35d1b2a6aae2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8914 | 9928 bytes |
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