MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with 28 identified as SEO-related links to other PDFs, likely for link farming or distributing malicious content. One critical heuristic identified a link to a known malicious redirector at https://ttraff.com/pify. The ML classifier also strongly indicated maliciousness.
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=huun+huur+tu+ancestors+call
- http://guzosu.jayhoss.com/uploads/1/3/1/8/131858530/34292013747.pdf
- http://files.resilienceuckfield.co.uk/uploads/1/3/1/4/131407952/tavofunixubalu.pdf
- http://fujupuw.grapetelevision.com/uploads/1/3/1/6/131606289/2634696b4b7ff0.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/6908/6619/files/aprendizaje_colaborativo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ruwisosipopiwusanitilowaz.pdf
- https://cdn.shopify.com/s/files/1/0436/7053/6345/files/38661809153.pdf
- https://cdn.shopify.com/s/files/1/0436/0162/5252/files/ecology_short_notes.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wurawosupamajo.pdf
- https://cdn.shopify.com/s/files/1/0436/4494/4542/files/82606878930.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44368867506.pdf
- https://cdn.shopify.com/s/files/1/0430/6747/4087/files/13132421797.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/54490378631.pdf
- https://cdn.shopify.com/s/files/1/0435/5496/3617/files/timerurozefulupuvisijo.pdf
- https://cdn.shopify.com/s/files/1/0436/9943/7721/files/67725455539.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062e6.bin649f2375a00143da6d5301da3196501785abf5765d123db975bd90d86cd4a243 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62E6 | 4848 bytes |
font_01_sfnt_off00007343.binc04fa82c45e3605a959f3df3c734efa8c72815cece02a20e50017fc2a4be9b21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7343 | 10596 bytes |
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