MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it points to known malicious infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be a lure for "printable school bus colouring sheets" which redirects to the malicious domain ttraff.ru. This suggests a phishing or social engineering attack aiming to redirect users to malicious content.
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.ru/pify?keyword=printable+school+bus+colouring+sheets
- http://files.brahmansystems.com/uploads/1/3/1/4/131407045/8907027.pdf
- http://patagoja.fairmountcamp.org/uploads/1/3/1/6/131606490/6913838.pdf
- http://sidix.gophotovideo.com/uploads/1/3/1/1/131164250/biwadevizaja.pdf
- http://files.lukeandcristal.com/uploads/1/3/2/6/132683135/disuzilexo_bonudilekafujut_nasoxomituwi_keledavi.pdf
- https://cdn.shopify.com/s/files/1/0437/8198/0317/files/51223071558.pdf
- https://cdn.shopify.com/s/files/1/0431/7567/4024/files/64367063668.pdf
- https://cdn.shopify.com/s/files/1/0431/8353/8331/files/24904031890.pdf
- https://cdn.shopify.com/s/files/1/0429/5147/5351/files/alquiler_de_ahoyadores_manuales.pdf
- https://cdn.shopify.com/s/files/1/0430/5174/5442/files/zudinirexonazegetez.pdf
- https://cdn.shopify.com/s/files/1/0432/0821/2638/files/rowajeralisenez.pdf
- https://cdn.shopify.com/s/files/1/0431/5794/6519/files/color_blind_test.pdf
- https://cdn.shopify.com/s/files/1/0430/8097/4490/files/bengali_spiritual_books_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/1002/2814/files/architecture_design_magazine.pdf
- https://cdn.shopify.com/s/files/1/0430/8343/2096/files/82815474985.pdf
- https://cdn.shopify.com/s/files/1/0433/1359/4526/files/wibigepupamid.pdf
- https://cdn.shopify.com/s/files/1/0449/5550/0712/files/dan_abnett_pariah.pdf
- https://cdn.shopify.com/s/files/1/0429/6343/5679/files/95237301274.pdf
- https://cdn.shopify.com/s/files/1/0450/2755/7526/files/definicion_de_baja_autoestima_segun_autores.pdf
- https://cdn.shopify.com/s/files/1/0433/8758/4677/files/8265972449.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_off00006202.bin12f9d40dcb0efce73287447213006004ff43108a1afc9947dc146c0a06e03406 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6202 | 5204 bytes |
font_01_sfnt_off00007399.bin18243b84e972d23a0ac6ec08f99283e11cef348dd62e960852acadbce3e30d8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7399 | 9612 bytes |
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