MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, one of which, 'https://ttraff.ru/pify?keyword=kahoot+hack+auto+answer+free', is flagged as a malicious redirector. The document body also contains this URL, suggesting a lure to exploit interest in 'Kahoot hacks'. The presence of numerous other links, many pointing to Shopify domains, indicates a link farm strategy to obscure the malicious destination. The ML classifier strongly supports the malicious nature of this PDF.
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.ru/pify?keyword=kahoot+hack+auto+answer+free
- http://kikowes.takaikari.com/uploads/1/3/2/3/132303079/lodafitowavit_kipudodovivugov_nigagamuzavuw_muximo.pdf
- https://cdn.shopify.com/s/files/1/0428/9599/9129/files/blount_disease_adalah.pdf
- https://cdn.shopify.com/s/files/1/0440/1466/5886/files/wobofasewo.pdf
- https://cdn.shopify.com/s/files/1/0431/5440/7578/files/aap_hyperbilirubinemia_guidelines_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/3049/4882/files/88779924046.pdf
- https://cdn.shopify.com/s/files/1/0438/1851/6637/files/zevonobumuwotu.pdf
- https://cdn.shopify.com/s/files/1/0429/0890/9734/files/gafufotomowolosulobap.pdf
- https://cdn.shopify.com/s/files/1/0429/6078/1475/files/character_array_in_c.pdf
- https://cdn.shopify.com/s/files/1/0429/1212/0998/files/pananaliksik_tungkol_sa_asignaturang_filipino.pdf
- https://cdn.shopify.com/s/files/1/0431/9592/4640/files/bapemasoluzo.pdf
- https://cdn.shopify.com/s/files/1/0434/2117/1879/files/sadozitiranavosabevuzape.pdf
- https://cdn.shopify.com/s/files/1/0438/1048/8477/files/fundamentals_of_algorithmics_gilles_brassard.pdf
- https://cdn.shopify.com/s/files/1/0429/4751/0435/files/5119316113.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_off00005856.bine876063c537a9551d9ad04a551a1eee4712ff2b5e0c38e9a7e2b649029a67bb1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5856 | 5064 bytes |
font_01_sfnt_off00006999.bin0a56b286ec5ca495aee11e905baeb19a43fbb7404fa715816f80b432525bc76e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6999 | 10316 bytes |
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