MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.com) or potentially malicious domains. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains references to educational materials, suggesting a lure to disguise the malicious links.
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=prefixes+and+suffixes+worksheets+for
- http://vadaxeja.bhaconstruction.com/uploads/1/3/0/9/130969204/gunesazuxoreb_pubajaju_rewizug.pdf
- http://files.jewelleryshop.saltwaterstudios.co.uk/uploads/1/3/2/8/132814611/28d1f08ab0048.pdf
- https://cdn.shopify.com/s/files/1/0438/2267/8173/files/40069927194.pdf
- https://cdn.shopify.com/s/files/1/0437/6667/7665/files/61686620986.pdf
- https://cdn.shopify.com/s/files/1/0429/3469/8147/files/39071310882.pdf
- https://cdn.shopify.com/s/files/1/0429/7395/4204/files/93679726000.pdf
- https://cdn.shopify.com/s/files/1/0430/7098/0245/files/free_avery_template_8160.pdf
- https://cdn.shopify.com/s/files/1/0429/9925/1093/files/91396762068.pdf
- https://cdn.shopify.com/s/files/1/0437/9253/1617/files/jacaranda_fm_playlist_free.pdf
- https://cdn.shopify.com/s/files/1/0431/6394/3067/files/63494764450.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dedepisolutiri.pdf
- https://cdn.shopify.com/s/files/1/0430/2215/5930/files/42949240913.pdf
- https://cdn.shopify.com/s/files/1/0437/1713/2456/files/xifejelerodibegajakex.pdf
- https://cdn.shopify.com/s/files/1/0433/7513/2821/files/xevomip.pdf
- https://cdn.shopify.com/s/files/1/0433/4836/1375/files/autocad_electrical_tutorial_free_download.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_off00005a84.bin3cd44cd868af280d66d5b5f85ba1149c6f9e3480a80fdfcfb0d58913a3a5eb5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A84 | 5188 bytes |
font_01_sfnt_off00006c35.bin175369be3c7a0f89f357d6e9cc3c61c722d459a8693531222f5a7cb160232a46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C35 | 10668 bytes |
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