MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, with one specifically identified as a malicious redirector. The document body text, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=biology+class+12+pdf+book', which is a critical finding. This suggests the document is designed to lure users to malicious infrastructure under the guise of providing 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.com/pify?keyword=biology+class+12+pdf+book
- http://files.wlcbands.com/uploads/1/3/1/1/131163931/2921846.pdf
- http://files.kreativefutures.co.uk/uploads/1/3/1/8/131856725/3163d8092c414.pdf
- http://files.lotusandbee.com/uploads/1/3/2/3/132302732/4889272.pdf
- http://files.adelaide-pilates.com/uploads/1/3/0/7/130739761/zijupepojumoviziwese.pdf
- https://cdn.shopify.com/s/files/1/0434/7055/3250/files/37077917409.pdf
- https://cdn.shopify.com/s/files/1/0438/9673/3864/files/20690465205.pdf
- https://cdn.shopify.com/s/files/1/0433/4754/2175/files/voxesevotipewu.pdf
- https://cdn.shopify.com/s/files/1/0429/3551/7337/files/46724904675.pdf
- https://cdn.shopify.com/s/files/1/0433/0848/2710/files/legawopofemawobitufomabin.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/letowopebofowebizuwir.pdf
- https://cdn.shopify.com/s/files/1/0433/6350/0197/files/55880019783.pdf
- https://cdn.shopify.com/s/files/1/0439/1695/1704/files/30211313196.pdf
- https://cdn.shopify.com/s/files/1/0433/8394/7414/files/risperidone_davis.pdf
- https://cdn.shopify.com/s/files/1/0437/3846/4405/files/about_myself_example.pdf
- https://cdn.shopify.com/s/files/1/0430/6770/3457/files/zotininukek.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_off00006204.bind086c46115ce642aff255cfc89333f805c1bc20b87f3cebf9adc6f4bf781361e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6204 | 5764 bytes |
font_01_sfnt_off000075d6.bind2a5dfea9258213e80f390e33f71bd9293c25f392c56d48b1048fa1985e95429 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D6 | 10592 bytes |
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