MALICIOUS
152
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 known to host malicious content. The document body, though obfuscated, contains text related to algorithms and the redirector URL itself, suggesting a lure to trick users into clicking malicious links. The ML classifier strongly supports the malicious nature of this PDF.
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.ru/pify?keyword=random+mouse+maze+solving+algorithm
- http://files.rachelmambach.com/uploads/1/3/0/7/130775220/togurufasaziren.pdf
- http://files.bobbijasayphotography.com/uploads/1/3/0/7/130740367/b69df043ac68e.pdf
- http://files.riversidetreeserviceco.com/uploads/1/3/1/8/131872015/vadigonipivuxubako.pdf
- https://cdn.shopify.com/s/files/1/0429/4973/8650/files/99904884237.pdf
- https://cdn.shopify.com/s/files/1/0438/5452/8677/files/libro_de_como_hacer_aviones_de_papel.pdf
- https://cdn.shopify.com/s/files/1/0439/0620/3803/files/59588215847.pdf
- https://cdn.shopify.com/s/files/1/0428/5680/8615/files/39665298709.pdf
- https://cdn.shopify.com/s/files/1/0429/8578/3447/files/networks_an_introduction.pdf
- https://cdn.shopify.com/s/files/1/0431/3926/8765/files/benchmark_advance_weekly_and_unit_assessments_grade_4.pdf
- https://cdn.shopify.com/s/files/1/0427/7128/4135/files/fivevisapugelifafizo.pdf
- https://cdn.shopify.com/s/files/1/0435/5093/3143/files/9820277308.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54903558396.pdf
- https://cdn.shopify.com/s/files/1/0430/6783/4517/files/waposalirodepenudux.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_off00006eb1.binc12a4bb92c18524e473928436167e49c8d30b5b2b2f34cd4384a3202ab9b2982 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EB1 | 5356 bytes |
font_01_sfnt_off000080c6.bin4dff5c3a492cb7e54f783e55f26cc6226afb6a61fbdfca473f6b1cf10b3e025a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80C6 | 10212 bytes |
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