MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, including one pointing to a known malicious redirector (ttraff.com). The document body, though partially corrupted, suggests a lure related to 'educational assessment and evaluation'. The presence of a mass external PDF link farm, with many links hosted on Shopify, indicates a sophisticated attempt to distribute malicious content or phish users. The ML classifier strongly supports the malicious verdict.
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=educational+assessment+and+evaluation+pdf
- http://files.mandalatreasures.net/uploads/1/3/1/3/131384636/3531508.pdf
- http://doxam.breannefahs.com/uploads/1/3/0/7/130775734/c4dc4.pdf
- http://files.liftyourlifewithlaura.com/uploads/1/3/0/9/130969310/wopitutopur.pdf
- https://cdn.shopify.com/s/files/1/0431/8042/5370/files/rozoruzewejefulif.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/tuduxoweve.pdf
- https://cdn.shopify.com/s/files/1/0430/8343/2096/files/zudulopovuvute.pdf
- https://cdn.shopify.com/s/files/1/0428/9429/5203/files/zutigumutepotof.pdf
- https://cdn.shopify.com/s/files/1/0448/5169/1681/files/characteristics_of_life_multiple_choice_test.pdf
- https://cdn.shopify.com/s/files/1/0436/1977/8723/files/55582596254.pdf
- https://cdn.shopify.com/s/files/1/0438/7300/9819/files/51514911933.pdf
- https://cdn.shopify.com/s/files/1/0435/9097/5647/files/wuribaxuzivobovatagufo.pdf
- https://cdn.shopify.com/s/files/1/0431/7410/1160/files/78943895671.pdf
- https://cdn.shopify.com/s/files/1/0435/9038/5821/files/s_club_8.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6514/files/36389796620.pdf
- https://cdn.shopify.com/s/files/1/0430/5109/0071/files/espirometria_valores_normales.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_off00006a6d.binc9b203896d112e6951fb809063730b2c44c677c98166752c0e7cdee16bceac23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A6D | 5220 bytes |
font_01_sfnt_off00007c2d.binf9d5d2eb5a5481208cfd9f62f03684ea3ed912fa6ccaf03276f21b667d2c3fab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C2D | 10012 bytes |
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