MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external resources, masquerading as educational material. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely used to funnel victims to malicious sites. The ML classifier also strongly indicated maliciousness. No scripts were extracted from this sample.
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.cc/pify?keyword=cambridge+igcse+science+pdf
- http://tivevut.berndvandermeulen.eu/uploads/1/3/1/4/131407005/vumusazelir.pdf
- http://files.knoxhi.com/uploads/1/3/0/7/130775942/6428251.pdf
- http://mojula.namastefilmproductions.com/uploads/1/3/1/3/131379578/butexuwuvifafe.pdf
- https://cdn.shopify.com/s/files/1/0432/4186/5384/files/lonirojapozu.pdf
- https://cdn.shopify.com/s/files/1/0437/2283/4071/files/40356796146.pdf
- https://cdn.shopify.com/s/files/1/0431/0063/5290/files/nezapanokod.pdf
- https://cdn.shopify.com/s/files/1/0434/5544/7201/files/perkys_calling_remix.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dovaxetudomorunuk.pdf
- https://cdn.shopify.com/s/files/1/0433/9725/1235/files/23976016917.pdf
- https://cdn.shopify.com/s/files/1/0431/8078/5823/files/vijifasuvuvugobezaz.pdf
- https://cdn.shopify.com/s/files/1/0438/7612/2779/files/service_marketing_concepts_strategies_and_cases.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9115/files/fojiverutofelugeguniv.pdf
- https://cdn.shopify.com/s/files/1/0431/8268/6372/files/hunter_classic_bis.pdf
- https://cdn.shopify.com/s/files/1/0430/7232/3737/files/13108389694.pdf
- https://cdn.shopify.com/s/files/1/0436/8157/9161/files/ffmpeg_mkv_to_mp4.pdf
- https://cdn.shopify.com/s/files/1/0434/2477/6354/files/venogukixiveb.pdf
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/22406057513.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_off00005323.bin28e5f51dab560bcedb83363aaefeb24274902f74c91613bf5755f11d3b1f12a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5323 | 5488 bytes |
font_01_sfnt_off000065aa.bin1683a28adfbde4a9f71c88baba2ce57f8c5d4fabe5e65756afaaf1a6ff9654fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65AA | 9704 bytes |
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